The Great London [Search results for Europe] 

For most of the last 45,000 years Europe was inhabited solely by hunter-gatherers. About 8,500 years ago a new form of subsistence -- farming -- started to spread across the continent from modern-day Turkey, reaching central Europe by 7,500 years ago and Britain by 6,100 years ago. This new subsistence strategy led to profound changes in society, including greater population density, new diseases, and poorer health. Such was the impact of farming on how we live that scientists have debated for more than 100 years how it was spread across Europe. Many believed that farming was spread as an idea to European hunter-gatherers but without a major migration of farmers themselves.

This week, an international research team led by paleogeneticists of Johannes Gutenberg University Mainz (JGU) publishes a study in the journal >Proceedings of the National Academy of Sciences showing that early farmers from across Europe have an almost unbroken trail of ancestry leading back to the Aegean.

The scientists analyzed the DNA of early farmer skeletons from Greece and Turkey. According to the study, the Neolithic settlers from northern Greece and the Marmara Sea region of western Turkey reached central Europe via a Balkan route and the Iberian Peninsula via a Mediterranean route. These colonists brought sedentary life, agriculture, and domestic animals and plants to Europe.

During their expansion they will have met hunter-gatherers who lived in Europe since the Ice Age, but the two groups mixed initially only to a very limited extent. "They exchanged cultural heritage and knowledge, but rarely spouses," commented anthropologist Joachim Burger, who lead the research. "Only after centuries did the number of partnerships increase."

Professor Joachim Burger, his Mainz paleogeneticist team, and international collaborators have pioneered paleogenetic research of the Neolithization process in Europe over the last seven years.

They showed a lack of interbreeding between farmers and hunter-gatherers in prehistoric Europe in 2009 and 2013 (Bramanti et al. 2009; Bollongino et al. 2013). Now, they demonstrate that the cultural and genetic differences were the result of separate geographical origins.

"The migrating farmers did not only bring a completely foreign culture, but looked different and spoke a different language," stated Christina Papageorgopoulou from Democritus University of Thrace, Greece,, who initiated the study as a Humboldt Fellow in Mainz together with Joachim Burger.

The study used genomic analysis to clarify a long-standing debate about the origins of the first European farmers by showing that the ancestry of Central and Southwestern Europeans can be traced directly back to Greece and northwestern Anatolia.

"There are still details to flesh out, and no doubt there will be surprises around the corner, but when it comes to the big picture on how farming spread into Europe, this debate is over," said Mark Thomas of University College London (UCL), co-author on the study. "Thanks to ancient DNA, our understanding of the Neolithic revolution has fundamentally changed over the last seven years."

Sedentary life, farming, and animal husbandry were already present 10,000 years ago in the so-called Fertile Crescent, a region covering modern-day Turkey, Syria, Iran, and Iraq. Zuzana Hofmanová and Susanne Kreutzer, the lead authors of the study, concluded: "Whether the first farmers came ultimately from this area is not yet established, but certainly we have seen with our study that these people, together with their revolutionary Neolithic culture, colonized Europe through northern Aegean over a short period of time."

Another study has shown that the spread of farming, and farmers, was not the last major migration to Europe. Approximately 5,000 years ago people of the eastern Steppe reached Central Europe and mixed with the former hunter-gatherers and early farmers. The majority of current European populations arose as a mixture of these three groups.

Source: Johannes Gutenberg Universitaet Mainz [June 06, 2016]

A single entry of the plague bacterium into Europe was responsible for the Black Plague of the mid-14th century. This same strain sparked recurrent outbreaks on the continent over the following four centuries before spreading to China, where it triggered the third plague pandemic in the late 19th century. The wave of plague that traveled to Asia later became the source population for modern-day epidemics around the globe. The bacterium's routes over time were revealed by genome analyses published in >Cell Host & Microbe.

"Our study is the first to provide genetic support for plague's travel from Europe into Asia after the Black Death, and it establishes a link between the Black Death in the mid-14th century and modern plague," says first author Maria Spyrou of the Max Planck Institute for the Science of Human History.

The plague bacterium, Yersinia pestis, is one of the deadliest pathogens in human history, sparking three major pandemics: the Plague of Justinian, which struck the Roman Empire during the 6th and 8th centuries; the second plague pandemic, which first erupted in Europe in the mid-14th-century Black Death and continued to strike the continent in recurrent outbreaks until the mid-18th century; and the third plague pandemic, which emerged in China during the late 19th century.

Evidence based on ancient DNA samples and historical climate patterns has suggested that the recurrent outbreaks of the second pandemic were caused by multiple reintroductions of Yersinia pestis into Europe, most likely from Asia. Moreover, some scientists have recently suggested that the plague bacterium migrated from Europe to Asia after the Black Death, later giving rise to the third pandemic. But until now, genomic evidence to support this model was missing.

To shed light on the origin and path of the second pandemic, Spyrou and co-senior study authors Alexander Herbig, Kirsten Bos, and Johannes Krause of the Max Planck Institute for the Science of Human History collected samples from plague-infected individuals buried in mass grave sites in Barcelona, Spain, and Ellwangen, Germany, as well as a single grave in Bolgar City, Russia.

"The mass burials where our samples come from often represent events where hundreds of people died of plague during a single outbreak," Herbig says. "This gives us an impression about how significant the impact of this disease was during medieval times."

The Bolgar City site was dated to the second half of the 14th century using coin artifacts known to have been minted after 1362. Radiocarbon dates from bone fragments and tooth roots were estimated at 1300-1420 for Barcelona, 1298-1388 for Bolgar City, and 1486-1627 for Ellwangen.

After analyzing DNA extracts from the teeth of 178 individuals, the researchers identified Y. pestis DNA in extracts from 32 individuals. Three individuals from Barcelona, Bolgar City, and Ellwangen had sufficient Y. pestis DNA for genome-level analysis. The researchers sequenced the genomes of these three ancient Y. pestis strains and compared them to 148 previously sequenced ancient and modern strains to reconstruct the Y. pestis phylogenetic tree.

The phylogenetic analysis revealed no differences between their Black Death strain from Barcelona and previously genotyped strains from mid-14th-century London. The simultaneous presence of the same strain in both southern and northern Europe suggests that Y. pestis entered the continent in a single wave rather than through multiple pulses during the Black Death.

These Black Death strains from London and Barcelona gave rise to a branch containing the Ellwangen strain and previously sequenced 18th-century strains from the Great Plague of Marseille in France. Moreover, all three newly reconstructed genomes and previously sequenced genomes from the second plague grouped together in the same branch on the phylogenetic tree. Taken together, these findings suggest that a single Y. pestis lineage was responsible for the Black Death and subsequent second pandemic outbreaks throughout Europe.

Meanwhile, the Bolgar City strain shared similarities with the Black Death London strain as well as all modern strains. This finding supports the idea that one Y. pestis lineage traveled from Europe to Asia after the Black Death, later sparking the third pandemic and modern-day epidemics worldwide.

"Our most significant finding revealed a link between the Black Death and modern plague," Krause says. "Though several plague lineages exist in China today, only the lineage that caused the Black Death several centuries earlier left Southeast Asia in the late 19th century pandemic and rapidly achieved a near worldwide distribution."

In future studies, the researchers plan to gain additional insights into the entry and end points of the Black Death in Europe. They hope to expand their sample range and explore these regions further to better understand the route traveled by the disease, the evolutionary changes it acquired at different stages, and the toll it had on the human population.

"We hope that our findings will highlight the importance for more extensive sampling and sequencing of both ancient and modern plague isolates around the world, and open up new research themes regarding the role played by Europe and West Asia in plague's evolution and ecology," Bos says.

Source: Cell Press [June 09, 2016]

While searching through historical archives to find out more about the 15th-century climate of what is now Belgium, northern France, Luxembourg, and the Netherlands, Chantal Camenisch noticed something odd. "I realised that there was something extraordinary going on regarding the climate during the 1430s," says the historian from the University of Bern in Switzerland.

Compared with other decades of the last millennium, many of the 1430s' winters and some springs were extremely cold in the Low Countries, as well as in other parts of Europe. In the winter of 1432-33, people in Scotland had to use fire to melt wine in bottles before drinking it. In central Europe, many rivers and lakes froze over. In the usually mild regions of southern France, northern and central Italy, some winters lasted until April, often with late frosts. This affected food production and food prices in many parts of Europe. "For the people, it meant that they were suffering from hunger, they were sick and many of them died," says Camenisch.

She joined forces with Kathrin Keller, a climate modeller at the Oeschger Centre for Climate Change Research in Bern, and other researchers, to find out more about the 1430s climate and how it impacted societies in northwestern and central Europe. Their results are published in >Climate of the Past, a journal of the European Geosciences Union.

They looked into climate archives, data such as tree rings, ice cores, lake sediments and historical documents, to reconstruct the climate of the time. "The reconstructions show that the climatic conditions during the 1430s were very special. With its very cold winters and normal to warm summers, this decade is a one of a kind in the 400 years of data we were investigating, from 1300 to 1700 CE," says Keller. "What cannot be answered by the reconstructions alone, however, is its origin -- was the anomalous climate forced by external influences, such as volcanism or changes in solar activity, or was it simply the random result of natural variability inherent to the climate system?"

There have been other cold periods in Europe's history. In 1815, the volcano Mount Tambora spewed large quantities of ash and particles into the atmosphere, blocking enough sunlight to significantly reduce temperatures in Europe and other parts of the world. But the 1430s were different, not only in what caused the cooling but also because they hadn't been studied in detail until now.

The climate simulations ran by Keller and her team showed that, while there were some volcanic eruptions and changes in solar activity around that time, these could not explain the climate pattern of the 1430s. The climate models showed instead that these conditions were due to natural variations in the climate system, a combination of natural factors that occurred by chance and meant Europe had very cold winters and normal to warm summers.

Regardless of the underlying causes of the odd climate, the 1430s were "a cruel period" for those who lived through those years, says Camenisch. "Due to this cluster of extremely cold winters with low temperatures lasting until April and May, the growing grain was damaged, as well as the vineyards and other agricultural production. Therefore, there were considerable harvest failures in many places in northwestern and central Europe. These harvest failures led to rising food prices and consequently subsistence crisis and famine.

Furthermore, epidemic diseases raged in many places. Famine and epidemics led to an increase of the mortality rate." In the paper, the authors also mention other impacts: "In the context of the crisis, minorities were blamed for harsh climatic conditions, rising food prices, famine and plague." However, in some cities, such as Basel, Strasbourg, Cologne or London, societies adapted more constructively to the crisis by building communal granaries that made them more resilient to future food shortages.

Keller says another decade of very cold winters could happen again. "However, such temperature variations have to be seen in the context of the state of the climate system. Compared to the 15th century we live in a distinctly warmer world. As a consequence, we are affected by climate extremes in a different way -- cold extremes are less cold, hot extremes are even hotter."

The team says their Climate of the Past study could help people today by showing how societies can be affected by extreme climate conditions, and how they should take precautions to make themselves less vulnerable to them. In the 1430s, people had not been exposed to such extreme conditions before and were unprepared to deal with the consequences.

"Our example of a climate-induced challenge to society shows the need to prepare for extreme climate conditions that might be coming sooner or later," says Camenisch. "It also shows that, to avoid similar or even larger crises to that of the 1430s, societies today need to take measures to avoid dangerous anthropogenic climate interference."

Source: European Geosciences Union [December 01, 2016]

'Celts: art and identity' opens at the British Museum on 24 September and will draw on the latest research from Britain, Ireland and Western Europe. The exhibition will tell the story of the different peoples who have used or been given the name ‘Celts’ through the stunning art objects that they made, including intricately decorated jewellery, highly stylised objects of religious devotion, and the decorative arts of the late 19th century which were inspired by the past. The exhibition will then open at the National Museum Scotland in March 2016. As part of the National Programme activity around the Celts exhibition, the British Museum and National Museums Scotland will showcase two rare Iron Age mirrors as a Spotlight tour to partner museums across the UK.

Today the word ‘Celtic’ is associated with the distinctive cultures, languages, music and traditions of Scotland, Ireland, Wales, Cornwall, Brittany and the Isle of Man. Yet the name Celts was first recorded thousands of years earlier, around 500 BC, when the ancient Greeks used it to refer to peoples living across a broad swathe of Europe north of the Alps. The Greeks saw these outsiders as barbarians, far removed from the civilised world of the Mediterranean. They left no written records of their own, but today archaeology is revealing new insights into how they lived. Modern research suggests that these were disparate groups rather than a single people, linked by their unique stylised art. This set them apart from the classical world, but their technological accomplishments stand on a par with the finest achievements of Greek and Roman artists.

A stunning example in the exhibition, from National Museums Scotland, is a hoard of gold torcs found at Blair Drummond in Stirling in 2009 by a metal detectorist on his very first outing. Excavations showed they had been buried inside a timber building, probably a shrine, in an isolated, wet location. These four torcs made between 300–100 BC show widespread connections across Iron Age Europe. Two are made from spiralling gold ribbons, a style characteristic of Scotland and Ireland. Another is a style found in south-western France although analysis of the Blair Drummond gold suggests it was made locally based on French styles. The final torc is a mixture of Iron Age details with embellishments on the terminals typical of Mediterranean workshops. It shows technological skill, a familiarity with exotic styles, and connections to a craftworker or workshop with the expertise to make such an object. The Blair Drummond find brings together the local and the highly exotic in one hoard.

Although Britain and Ireland were never explicitly referred to as Celtic by the Greeks and Romans, some 2,000 years ago these islands were part of a world of related art, values, languages and beliefs which stretched from the Atlantic to the Black Sea. During the Roman period and after the fall of the Western Roman Empire, communities in Ireland and northern and western Britain developed distinct identities. The art and objects which they made expressed first their difference to the Romans, but later the new realities of living in a conquered land or on the edges of the Roman world. These communities were among the first in Britain to become Christian, and missionaries from the north and west helped to convert the pagan Anglo-Saxons.

The exhibition will include iron hand-bells used to call the faithful to prayer, elaborately illustrated gospel books telling the story of Jesus’s life, and beautifully carved stone crosses that stood as beacons of belief in the landscape. An exceptionally rare gilded bronze processional cross from Tully Lough, Ireland (AD 700-800), will be displayed in Britain for the first time. Used during ceremonies and as a mobile symbol of Christianity, the design of this hand-held cross may have inspired some stone crosses, but metal examples rarely survive. Its decorative plates show the wider artistic connections of its makers: three-legged swirls and crescent shapes owe much to earlier Celtic traditions; other geometric motifs echo Roman designs, while interlace designs were popular across Europe and probably inspired by Anglo-Saxon art.

The name Celts had fallen out of use after the Roman period, but it was rediscovered during the Renaissance. From the sixteenth century it became increasingly used as shorthand for the pre-Roman peoples of Western Europe. In the early 1700s, the languages of Scotland, Ireland, Wales, Cornwall, Brittany and the Isle of Man were given the name ‘Celtic’, based on the name used by the Greeks and Romans 2000 years before. In the context of a continually shifting political and religious landscape, ‘Celtic’ acquired a new significance as the peoples of these Atlantic regions sought to affirm their difference and independence from their French and English neighbours, drawing on long histories of distinctive local identities. First used by the ancient Greeks as a way to label outsiders, the word ‘Celtic’ was now proudly embraced to express a sense of shared ancestry and heritage.

Over the following centuries, the Celtic revival movement led to the creation of a re-imagined, romanticised Celtic past, expressed in art and literature such as the painting ‘The Druids: Bringing in the Mistletoe’ by George Henry and Edward Atkinson Hornel, 1890. Druids emerge from a grove of oaks where they have been ceremonially gathering mistletoe in this romantic Victorian reimagining of a scene described by Roman author Pliny the Elder. In an attempt to evoke an authentic Scottish past, the artists incorporated things that they thought of as Celtic: spiral motifs, the brilliant colours of illuminated manuscripts and a snake design inspired by Pictish stones. The painters claimed the faces were based on ancient ‘druid’ skulls. But the features of the central druid were really inspired by photographs of Native Americans.

Today, the word Celtic continues to have a powerful resonance. It calls to mind the ever shifting relationships between the different nations that make up Britain and Ireland, and their diaspora communities around the world. The idea of the Celts also confronts us with the long history of interaction between Britain and the rest of Europe.

Neil MacGregor, Director of the British Museum said “the word Celtic brings together a series of moments across the history of western Europe when particular communities made art and objects that reflect a different, non-Mediterranean, way of thinking about the world. New research is challenging our preconception of the Celts as a single people, revealing the complex story of how this name has been used and appropriated over the last 2,500 years. While the Celts are not a distinct race or genetic group that can be traced through time, the word ‘Celtic’ still resonates powerfully today, all the more so because it has been continually redefined to echo contemporary concerns over politics, religion and identity.”

Gordon Rintoul, National Museums Scotland Director said “Encompassing the latest research from across Europe the exhibition explores the history of the peoples who became known as Celts and examines the powerful objects created and used by them. I am delighted that this collaboration with the British Museum has allowed us to present a stronger, more rounded exhibition than either of the institutions could have achieved on their own. I am sure that audiences in Edinburgh and London will find much to engage, enthuse and inspire them.”

Source: The British Museum [August 14, 2015]

Bodies found in a 200 year-old Hungarian crypt have revealed the secrets of how tuberculosis (TB) took hold in 18th century Europe, according to a research team led by the University of Warwick.

A new study published in Nature Communications details how samples taken from naturally mummified bodies found in an 18th century crypt in the Dominican church of Vác in Hungary have yielded 14 tuberculosis genomes, suggesting that mixed infections were common when TB was at peak prevalence in Europe.

The research team included collaborators from the Universities of Warwick and Birmingham, University College London, the Hebrew University in Jerusalem and the Hungarian Natural History Museum in Budapest. Lead author Professor Mark Pallen, from Warwick Medical School, said the discovery was significant for current and future infection control and diagnosis.

Professor Pallen said: “Microbiological analyses of samples from contemporary TB patients usually report a single strain of tuberculosis per patient. By contrast, five of the eight bodies in our study yielded more than one type of tuberculosis – remarkably from one individual we obtained evidence of three distinct strains.”

The team used a technique called “metagenomics” to identify TB DNA in the historical specimens—that is direct sequencing of DNA from samples without growing bacteria or deliberately fishing out TB DNA. This approach draws on the remarkable throughput and ease of use of modern DNA sequencing technologies.

Gemma Kay, first author on the paper says: “Poignantly, we found evidence of an intimate link between strains from in a middle-aged mother and her grown-up daughter, suggesting both family members died from this devastating infection.”

The team used the 18th century sequences to date the origin of the lineage of TB strains commonly found in Europe and America to the late Roman period, which fits in with the recent controversial suggestion that the most recent common ancestor of all TB strains occurred as recently as six thousand years ago.

Professor Pallen said: “By showing that historical strains can be accurately mapped to contemporary lineages, we have ruled out, for early modern Europe, the kind of scenario recently proposed for the Americas—that is wholesale replacement of one major lineage by another—and have confirmed the genotypic continuity of an infection that has ravaged the heart of Europe since prehistoric times.”

Professor Pallen added that with TB resurgent in many parts of the world, the struggle to contain this ancient infection was far from over. He concludes: “We have shown that metagenomic approaches can document past infections. However, we have also recently shown that metagenomics can identify and characterize pathogens in contemporary samples, so such approaches might soon also inform current and future infectious disease diagnosis and control.”

For more photos of the Hungarian mummies visit the website Morbid Anatomy.

Source: University of Warwick [April 07, 2015]

Human teeth discovered in southern China provide evidence that our species left the African continent up to 70,000 years earlier than prevailing theories suggest, a study published on Wednesday said.

Homo sapiens reached present-day China 80,000-120,000 years ago, according to the study, which could redraw the migration map for modern humans.

"The model that is generally accepted is that modern humans left Africa only 50,000 years ago," said Maria Martinon-Torres, a researcher at University College London and a co-author of the study.

"In this case, we are saying the H. sapiens is out of Africa much earlier," she told the peer-reviewed journal Nature, which published the study.

While the route they travelled remains unknown, previous research suggests the most likely path out of East Africa to east Asia was across the Arabian Peninsula and the Middle East.

The findings also mean that the first truly modern humans -- thought to have emerged in east Africa some 200,000 years ago -- landed in China well before they went to Europe.

There is no evidence to suggest that H. sapiens entered the European continent earlier than 45,000 years ago, at least 40,000 years after they showed up in present-day China.

The 47 teeth exhumed from a knee-deep layer of grey, sandy clay inside the Fuyan Cave near the town of Daoxian closely resemble the dental gear of "contemporary humans," according to the study.

They could only have come from a population that migrated from Africa, rather than one that evolved from an another species of early man such as the extinct Homo erectus, the authors said.

The scientists also unearthed the remains of some 38 mammals, including specimens of five extinct species, one of them a giant panda larger than those in existence today.

No tools were found.

"Judging by the cave environment, it may not have been a living place for humans," lead author Wu Liu from the Chinese Academy of Science in Beijing told AFP.

The study, published in the journal Nature, also rewrites the timeline of early man in China.

Up to now, the earliest proof of H. sapiens east of the Arabian Peninsula came from the Tianyuan Cave near Beijing, and dated from no more than 40,000 years ago.

The new discovery raises questions about why it took so long for H. sapiens to find their way to nearby Europe.

"Why is it that modern humans -- who were already at the gates -- didn't really get into Europe?", Martinon-Torres asked.

Wu and colleagues propose two explanations.

The first is the intimidating presence of Neanderthal man. While this species of early human eventually died out, they were spread across the European continent up until at least some 50,000 years ago.

"The classic idea is that H. sapiens... took over the Neanderthal empire, but maybe Neanderthals were a kind of ecological barrier, and Europe was too small a place" for both, Martinon-Torres said.

Another impediment might have been the cold.

Up until the Ice Age ended 12,000 years ago, ice sheets stretched across a good part of the European continent, a forbidding environment for a new species emerging from the relative warmth of East Africa.

"H. sapiens originated in or near the tropics, so it makes sense that the species' initial dispersal was eastwards rather than northwards, where winter temperatures rapidly fell below freezing," Robin Dennell of the University of Exeter said in a commentary, also in Nature.

Martinon-Torres laid out some of the questions to be addressed in future research, using both genetics and fossil records.

"What are the origins of these populations, and what was their fate? Did they vanish? Could they be the ancestors of later and current populations that entered Europe?"

She also suggested there might have been "different movements and migrations" out of Africa, not just one.

Besides the prehistoric panda, called Ailuropoda baconi, the scientists found an extinct species of a giant spotted hyaena.

An elephant-like creature called Stegodon orientalis and a giant tapir, also present, were species that may have survived into the era when the Chinese had developed writing, some 3500 years ago.

The cache of teeth nearly went unnoticed, Wu told AFP.

He and his Chinese colleagues discovered the cave -- and its menagerie of long-deceased animals -- in the 1980s, but had no inkling that it also contained human remains.

But 25 years later, while revisiting the site, Wu had a hunch.

"By thinking about the cave environment, we realised that human fossils might be found there," he told AFP by email. "So we started a five-year excavation."

Author: Marlowe Hood | Source: AFP [October 14, 2015]

The transition from hunter-gatherer to sedentary farming 10,000 years ago occurred in multiple neighbouring but genetically distinct populations according to research by an international team including UCL.

“It had been widely assumed that these first farmers were from a single, genetically homogeneous population. However, we’ve found that there were deep genetic differences in these early farming populations, indicating very distinct ancestries,” said corresponding author Dr Garrett Hellenthal, UCL Genetics.

The study, published today in >Science and funded by Wellcome and Royal Society, examined ancient DNA from some of the world’s first farmers from the Zagros region of Iran and found it to be very different from the genomes of early farmers from the Aegean and Europe. The team identified similarities between the Neolithic farmer’s DNA and that of living people from southern Asia, including from Afghanistan, Pakistan, Iran, and Iranian Zoroastrians in particular.

“We know that farming technologies, including various domestic plants and animals, arose across the Fertile Crescent, with no particular centre” added co-author Professor Mark Thomas, UCL Genetics, Evolution & Environment.

“But to find that this region was made up of highly genetically distinct farming populations was something of a surprise. We estimated that they separated some 46 to 77,000 years ago, so they would almost certainly have looked different, and spoken different languages. It seems like we should be talking of a federal origin of farming.”

The switch from mobile hunting and gathering to sedentary farming first occurred around 10,000 years ago in south-western Asia and was one of the most important behavioural transitions since humans first evolved in Africa some 200,000 years ago. It led to profound changes in society, including greater population densities, new diseases, poorer health, social inequality, urban living, and ultimately, the rise of ancient civilizations.

Animals and plants were first domesticated across a region stretching north from modern-day Israel, Palestine and Lebanon to Syria and eastern Turkey, then east into, northern Iraq and north-western Iran, and south into Mesopotamia; a region known as the Fertile Crescent.

“Such was the impact of farming on our species that archaeologists have debated for more than 100 years how it originated and how it was spread into neighbouring regions such as Europe, North Africa and southern Asia,” said co-author Professor Stephen Shennan, UCL Institute of Archaeology.

“We’ve shown for the first time that different populations in different parts of the Fertile Crescent were coming up with similar solutions to finding a successful way of life in the new conditions created by the end of the last Ice Age.”

By looking at how ancient and living people share long sections of DNA, the team showed that early farming populations were highly genetically structured, and that some of that structure was preserved as farming, and farmers, spread into neighbouring regions; Europe to the west and southern Asia to the east.

“Early farmers from across Europe, and to some extent modern-day Europeans, can trace their DNA to early farmers living in the Aegean, whereas people living in Afghanistan, Pakistan, Iran and India share considerably more long chunks of DNA with early farmers in Iran. This genetic legacy of early farmers persists, although of course our genetic make-up subsequently has been reshaped by many millennia of other population movements and intermixing of various groups,” concluded Dr Hellenthal.

Source: University College London [July 14, 2016]

Modern humans have been blamed for killing off the Neanderthals by out competing them, breeding with them and even outright murdering them.

But new research suggests it may actually have been infectious diseases carried by our modern ancestors as they migrated out of Africa that finished them off.

Scientists studying the latest genetic, fossil and archaeological evidence claim that Neanderthals suffered from a wide range of diseases that still plague us today.

They have found evidence that suggests our prehistoric cousins would have been infected by diseases such as tuberculosis, typhoid, whooping cough, encephalitis and the common cold.

But anthropologists from Cambridge University and Oxford Brookes University say that new diseases carried by modern humans may have led to the downfall of Neanderthals.

They speculate that pathogens like Heliocbacter pylori, the bacteria that causes stomach ulcers, were brought to Europe by modern humans from Africa and may have infected Neanderthals, who would have been unable to fight off these new diseases.

However, Neandethals may have also helped modern humans by passing on slivers of immunity against some diseases to our ancestors when they interbred.

Dr Simon Underdown, a principal lecturer in anthropology at Oxford Brookes University and co-author of the study, said: 'As Neanderthal populations became more isolated they developed very small gene pools and this would have impacted their ability to fight off disease.

'When Homo sapiens came out of Africa they brought diseases with them.

'We know that Neanderthals were actually much more advanced than they have been given credit for and we even interbred with them.

'Perhaps the only difference was that we were able to cope with these diseases but Neanderthals could not.'

The findings add to a growing body of evidence that Neanderthals were not as different from modern humans as was originally thought.

Recent discoveries have suggested that rather than being brutish cavemen, Neanderthals had sophisticated culture, were master tool makers and may even have had their own language.

The new study suggests that Neanderthals also suffered from many of the same afflictions and complaints that modern humans experience.

Indeed, there is some evidence from caves that early humans may have burned their bedding in a bid to rid themselves of infestations of lice or bed bugs.

Dr Underdown and his colleague Dr Charlotte Houldcroft, a researcher in infectious diseases at Cambridge University and University College London, analysed recent genetic studies on Neanderthals and other early humans.

They also examined recent genetic research on common human pathogens that have aimed to trace their origins and combined it with fossil and archaeological evidence.

Most evidence from the fossil record suggest that Neanderthals tended to suffer traumatic injuries as a result of their hunter gatherer lifestyle, but there are also signs of inflammation and infection.

Their study, which is published on the open source database bioRxiv, contradicts the common view that infectious diseases only really became a problem for humans in the Holocene about 11,000 years ago when humans began living in dense settlements and farming livestock.

Instead, they say many of the diseases we see around us today were common during the pleistocene when Neanderthals dominated much of Europe and Asia between 250,000 and 45,000 years ago, when they disappeared.

They say pathogens like TB, typhoid and Crimean fever that were thought to be zoonoses caught from herd animals may have actually originated in humans and were only passed to animals during the rise of farming around 8,000 years ago.

Genetic sequencing of Neanderthal and Denisovan - another early human ancestor - DNA has shown that modern humans have inherited a number of genes from these extinct species.

These include genes that provide immunity to viral infections such as tick-borne encephalitis.

Dr Underdown said this virus would probably have been common in the forested areas of northern Europe that Neanderthals inhabited and so immunity would have been an advantage.

Other genes found in modern Papua New Guineans that are involved in the immune response against viruses like dengue and influenza may have come from Neanderthals.

Analysis of ancient DNA has also shown that Neanderthals carried genes that would have protected them against bacterial blood poisoning, or sepsis.

Dr Underdown said: 'There are genetic signals in the Neanderthal genome that suggest quite clearly that they were exposed to these types of diseases but also developed some resistance to them.

'It had been thought that many of these diseases began infecting humans with the population increases that came with domestication of animals and permanent settlements.

'Be here we have got Neanderthals being infected by these diseases long before those developments.'

Author: Richard Gray | Source: Daily Mail Online [April 03, 2015]

A DNA analysis of four ancient Roman skeletons found in London shows the first inhabitants of the city were a multi-ethnic mix similar to contemporary Londoners, the Museum of London said on Monday.

Two of the skeletons were of people born outside Britain -- one of a man linked genealogically to eastern Europe and the Near East, the other of a teenage girl with blue eyes from north Africa.

The injuries to the man's skull suggest that he may have been killed in the city's amphitheatre before his head was dumped into an open pit.

Both the man and the girl were suffering from periodontal disease, a type of gum disease.

The other two skeletons of people believed to have been born in Britain were of a woman with maternal ancestry from northern Europe and of a man also with links through his mother to Europe or north Africa.

"We have always understood that Roman London was a culturally diverse place and now science is giving us certainty," said Caroline McDonald, senior curator of Roman London at the museum.

"People born in Londinium lived alongside people from across the Roman Empire exchanging ideas and cultures, much like the London we know today," she said.

The museum said in a statement that this was "the first multidisciplinary study of the inhabitants of a city anywhere in the Roman Empire".

The Romans founded Britain's capital city in the middle of the first century AD, under the emperor Claudius.

Britain's University of Durham researched stable isotopes from tooth enamel to determine migration patterns.

A tooth from each skeleton was also sent to McMaster University in Canada for DNA analysis that established the hair and eye colour of each individual and identified the diseases they were suffering from.

McMaster University also examined the mitochondrial DNA (mtDNA) to identify maternal ancestry.

The exhibition of the four skeletons, entitled "Written in Bone", opens on Friday.

Source: AFP [November 24, 2015]

By comparing the genes of current-day North and South Americans with African and European populations, an Oxford University study has found the genetic fingerprints of the slave trade and colonization that shaped migrations to the Americas hundreds of years ago.

The study published in Nature Communications found that:

• While Spaniards provide the majority of European ancestry in continental American Hispanic/Latino populations, the most common European genetic source in African-Americans and Barbadians comes from Great Britain.

• The Basques, a distinct ethnic group spread across current-day Spain and France, provided a small but distinct genetic contribution to current-day Continental South American populations, including the Maya in Mexico.

• The Caribbean Islands of Puerto Rico and the Dominican Republic are genetically similar to each other and distinct from the other populations, probably reflecting a different migration pattern between the Caribbean and mainland America.

• Compared to South Americans, people from Caribbean countries (such as the Barbados) had a larger genetic contribution from Africa.

• The ancestors of current-day Yoruba people from West Africa (one of the largest African ethnic groups) provided the largest contribution of genes from Africa to all current-day American populations.

• The proportion of African ancestry varied across the continent, from virtually zero (in the Maya people from Mexico) to 87% in current-day Barbados.

• South Italy and Sicily also provided a significant European genetic contribution to Colombia and Puerto Rico, in line with the known history of Italian emigrants to the Americas in the late 19th and early 20th century.

• One of the African-American groups from the USA had French ancestry, in agreement with historical French immigration into the colonial Southern United States.

• The proportion of genes from European versus African sources varied greatly from individual to individual within recipient populations.

'We found that the genetic profile of Americans is much more complex than previously thought,' said study leader Professor Cristian Capelli from the Department of Zoology.

The research team analysed DNA samples collected from people in Barbados, Columbia, the Dominican Republic, Ecuador, Mexico, Puerto Rico and African-Americans in the USA.

They used a technique called haplotype-based analysis to compare the pattern of genes in these 'recipient populations' to 'donor populations' in areas where migrants to America came from.

'We firstly grouped subsets of people in Africa and Europe who were genetically similar and used this fine scale resolution to find which combinations of these clusters resulted in the sort of mixtures that we now see in people across the Americas', said the study's first author, Dr Francesco Montinaro from the Department of Zoology.

'We can see the huge genetic impact that the slave trade had on American populations and our data match historical records', said study author Dr Garrett Hellenthal from the UCL Genetics Institute, 'The majority of African Americans have ancestry similar to the Yoruba people in West Africa, confirming that most African slaves came from this region. In areas of the Americas historically under Spanish rule, populations also have ancestry related to what is now Senegal and Gambia. Records show that around a third of the slaves sent to Spanish America in the 17th Century came from this region, and we can see the genetic evidence of this in modern Americans really clearly.'

These genetic findings also uncover previously unknown migration. ‘We found a clear genetic contribution from the Basques in modern-day Maya in Mexico’, said Professor Capelli. ‘This suggests that the Basque also took part in the colonisation of the Americas, coming over either with the Spanish conquistadores or in later waves of migration’.

'The differences in European ancestry between the Caribbean islands and mainland American population that we found were also previously unknown. It is likely that these differences reflect different patterns of migration between the Caribbean and mainland America.'

'These results show just how powerful a genetic approach can be when it comes to uncovering hidden patterns of ancestry. We hope to use the same approach to look at other populations with diverse genetic contributions, such as Brazilians,' said Professor Capelli.

Source: University of Oxford [March 24, 2015]

When the Black Death swept through Europe in 1347, it was one of the deadliest disease outbreaks in human history, eventually killing between a third and half of Europeans.

Prior work by investigators has traced the cause to plague-carrying fleas borne by rats that jumped ship in trading ports. In addition, historical researchers believe that famine in northern Europe before the plague came ashore may have weakened the population there and set the stage for its devastation.

Now, new research using a unique combination of ice-core data and written historical records indicates that the cool, wet weather blamed for the northern European famine actually affected a much wider area over a much longer period. The work, which researchers say is preliminary, paints a picture of a deep, prolonged food shortage in the years leading to the Black Death.

“The evidence indicates that the famine was a broader phenomenon, geographically and chronologically,” said Alexander More, a postdoctoral fellow in the Harvard History Department and a lecturer in the History of Science Department.

A widespread famine that weakened the population over decades could help explain the Black Death’s particularly high mortality. Over four or five years after arriving in Europe in 1347, the pandemic surged through the continent in waves that killed millions.

The ice-core data is part of a unique program linking traditional historical research with scientific data-collecting techniques. The program, called the Initiative for the Science of the Human Past at Harvard (SoHP), is headed by Michael McCormick, the Francis Goelet Professor of Medieval History. SoHP’s ice-core project is being conducted in collaboration with the University of Maine’s Climate Change Institute and researchers at Heidelberg University. The project’s approach puts it at the juncture of environmental science, archaeology, and history. It is supported by the Arcadia Fund of London.

More presented his findings at a conference in November arranged to discuss the project. Joining him was Harvard junior Matthew Luongo, an Earth sciences and environmental engineering concentrator from Dunster House, who discussed the discovery of volcanic tephra in the ice core. Tephra, microscopic airborne volcanic particles, are generally believed absent from cores in European glaciers, make Luongo’s assumption-puncturing discovery potentially significant.

Luongo spent several days at the Climate Change Institute last summer performing chemical analyses and examining the volcanic bits through a scanning electron microscope. Each volcanic eruption has a slightly different chemical fingerprint, so he was able to trace the tephra to the 1875 Askja eruption in Iceland, one of the largest eruptions there in history.

Since many eruptions were written about contemporaneously, the ice core’s volcanic traces can be used to align ice-core data with written records, providing greater certainty in dating other chemical traces in the ice, such as those from human activities like lead from Roman-era smelting.

“I think it was a really important project,” Luongo said.

McCormick said that the advanced technologies scientists used to understand areas like the human genome and climate change are increasingly being applied to the humanities, and opening new avenues of investigation.

McCormick was part of a team that in 2011 used tree-ring data to reconstruct European climate over the last 2,500 years, showing that the period before the fall of the Roman Empire was marked by wide climactic variability. In November, McCormick summed up the use of climate data in historical research as reading history “from the environment itself.”

“All these things are happening in the sciences and spilling over into the humanities,” McCormick said. “Twenty years ago, if you’d have told me that climate could have caused the collapse of the Roman Empire and that we would have the means to test that, I wouldn’t have believed you.”

The new data emerging from the ice core could be the first of a flood of information about the last millennium and beyond. McCormick’s University of Maine colleagues, led by Paul Mayewski, have developed a laser-based method of ice analysis. It requires far smaller samples of ice and can take 50,000 samples in a one-meter ice core, compared with just 100 in the previous method. The new technology allows much higher resolution analysis of even very thin ice layers — to the specific year and potentially to individual storms — and can go back farther than the 1500 A.D. limit of this glacier with previous techniques.

The ice core was the first ever taken specifically for historical research, McCormick said, and was drilled in 2013 from the Colle Gnifetti glacier, high in the Alps near the Swiss-Italian border. It was divided between partner organizations, with the portion allocated to the Initiative for the Science of the Human Past and the Climate Change Institute being held at the University of Maine.

The findings about the period preceding the Black Death described by More continue to fill in an emerging and newly complex picture of a key period in human history. Recent research has traced the genesis of the European plague to animal groups in Asia and climate-related outbreaks that traveled along Silk Road trade routes.

McCormick said this application of scientific methods opens new avenues of inquiry, akin to discovering colossal collections of historical records, whether read directly from the DNA of ancient people, from the trees that grew at the time, or from the ice deposited in ancient storms.

“It’s a gigantic set of archives that document the least-documented part of [history],” McCormick said. “It’s kind of a renaissance of history.”

Author: Alvin Powell | Source: Harvard University [January 07, 2016]

Molecular-based moisture indicators, remains of midges and climate simulations have provided climate scientists with the final piece to one of the most enduring puzzles of the last Ice Age.

For years, researchers have struggled to reconcile climate models of the Earth, 13,000 years ago, with the prevailing theory that a catastrophic freshwater flood from the melting North American ice sheets plunged the planet into a sudden and final cold snap, just before entering the present warm interglacial.

Now, an international team of scientists, led by Swedish researchers from Stockholm University and in partnership with UK researchers from the Natural History Museum (NHM) London, and Plymouth University, has found evidence in the sediments of an ancient Swedish lake that it was the melting of the Scandinavian ice sheet that provides the missing link to what occurred at the end of the last Ice Age. The study, published in Nature Communications, today, examined moisture and temperature records for the region and compared these with climate model simulations.

Francesco Muschitiello, a PhD researcher at Stockholm University and lead author of the study, said: "Moisture-sensitive molecules extracted from the lake's sediments show that climate conditions in Northern Europe became much drier around 13,000 years ago."

Steve Brooks, Researcher at the NHM, added: "The remains of midges, contained in the lake sediments, reveal a great deal about the past climate. The assemblage of species, when compared with modern records, enable us to track how, after an initial warming of up to 4° Centigrade at the end of the last Ice Age, summer temperatures plummeted by 5°C over the next 400 years."

Dr Nicola Whitehouse, Associate Professor in Physical Geography at Plymouth University, explained: "The onset of much drier, cooler summer temperatures, was probably a consequence of drier air masses driven by more persistent summer sea-ice in the Nordic Seas."

According to Francesco Muschitiello the observed colder and drier climate conditions were likely driven by increasingly stronger melting of the Scandinavian ice sheet in response to warming at the end of the last Ice Age; this led to an expansion of summer sea ice and to changes in sea-ice distribution in the eastern region of the North Atlantic, causing abrupt climate change. Francesco Muschitiello added: "The melting of the Scandinavian ice sheet is the missing link to understanding current inconsistencies between climate models and reconstructions, and our understanding of the response of the North Atlantic system to climate change."

Dr Francesco Pausata, postdoctoral researcher at Stockholm University, explained: "When forcing climate models with freshwater from the Scandinavian Ice Sheet, the associated climate shifts are consistent with our climate reconstructions."

The project leader, Professor Barbara Wohlfarth from Stockholm University, concluded: "The Scandinavian ice sheet definitely played a much more significant role in the onset of this final cold period than previously thought. Our teamwork highlights the importance of paleoclimate studies, not least in respect to the ongoing global warming debate."

Source: University of Plymouth [November 17, 2015]

Two golden torcs unearthed by a metal-detecting enthusiast are among the treasures on display at a major new exhibition celebrating the Celts.

A collection of Celtic art from all over Europe will go on display at the National Museum of Scotland in Edinburgh from Thursday.

It is the first major British exhibition on the Celts for more than 40 years and was last held at the British Museum in London.

Exhibits include two Iron Age neck ornaments famously discovered by David Booth in a Stirlingshire field on his first outing with a metal detector. The former safari park keeper netted £460,000 for the 2000-year-old find.

Other highlights include a reconstruction of a chariot from a burial excavated at Newbridge, Edinburgh, in 2001, and on display for the first time. Dating from 475-400BC, it is Scotland's only known chariot burial and the oldest in Britain.

Dr Fraser Hunter, principal curator of Iron and Roman Age Collections, said: "This is a once in a lifetime chance to see masterpieces of Celtic art from all across Europe.

"These allow us to explore connections and differences across the Europe of 2000 years ago, to think about what the idea of Celts means and to see the power that this art gave to objects which people cherished."

Many of the 350 objects on show have never been seen in Scotland, notably the Gundestrup Cauldron, a huge silver vessel from the National Museum of Denmark.

Dr Martin Goldberg, a senior curator at National Museums Scotland, said: "This exhibition has given us great opportunities to look afresh at our own material through new research and presentation, to display some exciting new finds from across Scotland and to work with exceptional objects from other national and international collections.

"The resulting breadth, variety and quality of objects tell us fascinating, occasionally challenging things about Celts."

The exhibition runs until September 25.

Source: STV [March 13, 2016]

Killer whales in European waters face extinction due to outlawed but long-lived pollutants that also threaten several species of dolphins, according a study published in the journal >Scientific Reports.

Toxic chemicals known by the acronym PCBs are poisoning these marine mammals, and in some cases severely impeding their ability to reproduce, researchers reported.

Becoming more concentrated as they move up the food chain, PCBs settle into the fatty tissue of top ocean predators.

The deadly compounds—used in manufacturing and construction and banned across the European Union in 1987—can also be passed on to orca and dolphin calves suckling their mothers' milk.

"Few coastal orca populations remain in western European waters," said lead author Paul Jepson of the Zoological Society of London, noting that those in the Mediterranean and North Sea have already disappeared.

"The ones that do persist are very small and suffering low or zero rates of reproduction."

A community of 36 orcas, or killer whales, off the coast of Portugal—observed by scientists for decades—has not produced any offspring in more than ten years, the study reported.

An even smaller grouping near Scotland "will go extinct," Jepson told journalists by phone.

The death of a female known as Lulu, whose carcass was discovered on the Scottish island of Tiree last week, reduced this pod from nine to eight.

As well as direct observation, biopsies of individuals in the wild have also shown that these orca populations are not reproducing.

When female killer whales give birth, they transfer about 90 percent of the PCBs accumulated in their bodies—sometimes over decades—to their calves, purging themselves but poisoning their offspring.

Recent biopsies, however, revealed that all the females have the same level of PCB toxins in their system as males, evidence that they had not produced calves in the preceding years.

The toxic effect of PCBs on marine mammals was known, but this is the first overview—based on tissue samples from more than 1,000 stranded and biopsied whales, dolphins and orcas—of the extent of the damage.

Climbing the food chain

PCBs were widely used in manufacturing electrical equipment, paints and flame retardants. Designed to withstand weathering, they were also added to sealants used in buildings.

Europe produced some 300,000 tonnes of the compound from 1954 to 1984, and 90 percent of it has yet to be destroyed or safely stored away.

PCBs—which do not dissolve in water—reach the ocean via several routes.

"It is leaching from landfills into rivers and estuaries, and eventually into the marine environment," Jepson explained.

Sediment dredging to a depth of ten metres (30 feet) along shipping lanes in industrial ports brings the deadly chemicals to the surface.

From there, they gradually climb the food chain, becoming more toxic along the way: from bottom-feeding mollusks to crabs to small fish to the bigger fish eaten by orcas, dolphins and porpoises.

Further north, a healthier population of several thousand orcas living in waters near Iceland and northern Norway provide additional evidence that PCBs are, in fact, causing the decline of their cousins to the south.

Whereas the southern killer whales eat large fish and mammals, such as seals, the Arctic orcas subsist almost exclusively on herring.

Because herring eat plankton, they are outside the food chain along which PCBs climb, explaining why the northern orcas have ten times less PCB in their fatty tissue.

Disposing of land-based PCBs—made to resist heat, chemical attack and degradation—is difficult, Jepson said.

"They were designed to last a very long time, so it is incredibly hard to destroy them."

Author: Marlowe Hood | Source: AFP [Janaury 14, 2016]

On the outskirts of Beijing, a small limestone mountain named Dragon Bone Hill rises above the surrounding sprawl. Along the northern side, a path leads up to some fenced-off caves that draw 150,000 visitors each year, from schoolchildren to grey-haired pensioners. It was here, in 1929, that researchers discovered a nearly complete ancient skull that they determined was roughly half a million years old. Dubbed Peking Man, it was among the earliest human remains ever uncovered, and it helped to convince many researchers that humanity first evolved in Asia.

Since then, the central importance of Peking Man has faded. Although modern dating methods put the fossil even earlier—at up to 780,000 years old—the specimen has been eclipsed by discoveries in Africa that have yielded much older remains of ancient human relatives. Such finds have cemented Africa's status as the cradle of humanity—the place from which modern humans and their predecessors spread around the globe—and relegated Asia to a kind of evolutionary cul-de-sac.

But the tale of Peking Man has haunted generations of Chinese researchers, who have struggled to understand its relationship to modern humans. "It's a story without an ending," says Wu Xinzhi, a palaeontologist at the Chinese Academy of Sciences' Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) in Beijing. They wonder whether the descendants of Peking Man and fellow members of the species Homo erectus died out or evolved into a more modern species, and whether they contributed to the gene pool of China today.

Keen to get to the bottom of its people's ancestry, China has in the past decade stepped up its efforts to uncover evidence of early humans across the country. It is reanalysing old fossil finds and pouring tens of millions of dollars a year into excavations. And the government is setting up a US$1.1-million laboratory at the IVPP to extract and sequence ancient DNA.

The investment comes at a time when palaeoanthropologists across the globe are starting to pay more attention to Asian fossils and how they relate to other early hominins—creatures that are more closely related to humans than to chimps. Finds in China and other parts of Asia have made it clear that a dazzling variety of Homo species once roamed the continent. And they are challenging conventional ideas about the evolutionary history of humanity.

"Many Western scientists tend to see Asian fossils and artefacts through the prism of what was happening in Africa and Europe," says Wu. Those other continents have historically drawn more attention in studies of human evolution because of the antiquity of fossil finds there, and because they are closer to major palaeoanthropology research institutions, he says. "But it's increasingly clear that many Asian materials cannot fit into the traditional narrative of human evolution."

Chris Stringer, a palaeoanthropologist at the Natural History Museum in London, agrees. "Asia has been a forgotten continent," he says. "Its role in human evolution may have been largely under-appreciated."

Evolving story

In its typical form, the story of Homo sapiens starts in Africa. The exact details vary from one telling to another, but the key characters and events generally remain the same. And the title is always 'Out of Africa'.

In this standard view of human evolution, H. erectus first evolved there more than 2 million years ago. Then, some time before 600,000 years ago, it gave rise to a new species: Homo heidelbergensis, the oldest remains of which have been found in Ethiopia. About 400,000 years ago, some members of H. heidelbergensis left Africa and split into two branches: one ventured into the Middle East and Europe, where it evolved into Neanderthals; the other went east, where members became Denisovans—a group first discovered in Siberia in 2010. The remaining population of H. heidelbergensis in Africa eventually evolved into our own species, H. sapiens, about 200,000 years ago. Then these early humans expanded their range to Eurasia 60,000 years ago, where they replaced local hominins with a minuscule amount of interbreeding.

A hallmark of H. heidelbergensis—the potential common ancestor of Neanderthals, Denisovans and modern humans—is that individuals have a mixture of primitive and modern features. Like more archaic lineages, H. heidelbergensis has a massive brow ridge and no chin. But it also resembles H. sapiens, with its smaller teeth and bigger braincase. Most researchers have viewed H. heidelbergensis—or something similar—as a transitional form between H. erectus and H. sapiens.

Unfortunately, fossil evidence from this period, the dawn of the human race, is scarce and often ambiguous. It is the least understood episode in human evolution, says Russell Ciochon, a palaeoanthropologist at the University of Iowa in Iowa City. "But it's central to our understanding of humanity's ultimate origin."

The tale is further muddled by Chinese fossils analysed over the past four decades, which cast doubt over the linear progression from African H. erectus to modern humans. They show that, between roughly 900,000 and 125,000 years ago, east Asia was teeming with hominins endowed with features that would place them somewhere between H. erectus and H. sapiens, says Wu.

"Those fossils are a big mystery," says Ciochon. "They clearly represent more advanced species than H. erectus, but nobody knows what they are because they don't seem to fit into any categories we know."

The fossils' transitional characteristics have prompted researchers such as Stringer to lump them with H. heidelbergensis. Because the oldest of these forms, two skulls uncovered in Yunxian in Hubei province, date back 900,000 years >^{1, 2}>, Stringer even suggests that H. heidelbergensis might have originated in Asia and then spread to other continents.

But many researchers, including most Chinese palaeontologists, contend that the materials from China are different from European and African H. heidelbergensis fossils, despite some apparent similarities. One nearly complete skull unearthed at Dali in Shaanxi province and dated to 250,000 years ago, has a bigger braincase, a shorter face and a lower cheekbone than most H. heidelbergensis specimens>3, suggesting that the species was more advanced.

Such transitional forms persisted for hundreds of thousands of years in China, until species appeared with such modern traits that some researchers have classified them as H. sapiens. One of the most recent of these is represented by two teeth and a lower jawbone, dating to about 100,000 years ago, unearthed in 2007 by IVPP palaeoanthropologist Liu Wu and his colleagues>4. Discovered in Zhirendong, a cave in Guangxi province, the jaw has a classic modern-human appearance, but retains some archaic features of Peking Man, such as a more robust build and a less-protruding chin.

Most Chinese palaeontologists—and a few ardent supporters from the West—think that the transitional fossils are evidence that Peking Man was an ancestor of modern Asian people. In this model, known as multiregionalism or continuity with hybridization, hominins descended from H. erectus in Asia interbred with incoming groups from Africa and other parts of Eurasia, and their progeny gave rise to the ancestors of modern east Asians, says Wu.

Support for this idea also comes from artefacts in China. In Europe and Africa, stone tools changed markedly over time, but hominins in China used the same type of simple stone instruments from about 1.7 million years ago to 10,000 years ago. According to Gao Xing, an archaeologist at the IVPP, this suggests that local hominins evolved continuously, with little influence from outside populations.

Politics at play?

Some Western researchers suggest that there is a hint of nationalism in Chinese palaeontologists' support for continuity. "The Chinese—they do not accept the idea that H. sapiens evolved in Africa," says one researcher. "They want everything to come from China."

Chinese researchers reject such allegations. "This has nothing to do with nationalism," says Wu. It's all about the evidence—the transitional fossils and archaeological artefacts, he says. "Everything points to continuous evolution in China from H. erectus to modern human."

But the continuity-with-hybridization model is countered by overwhelming genetic data that point to Africa as the wellspring of modern humans. Studies of Chinese populations show that 97.4% of their genetic make-up is from ancestral modern humans from Africa, with the rest coming from extinct forms such as Neanderthals and Denisovans>5. "If there had been significant contributions from Chinese H. erectus, they would show up in the genetic data," says Li Hui, a population geneticist at Fudan University in Shanghai. Wu counters that the genetic contribution from archaic hominins in China could have been missed because no DNA has yet been recovered from them.

Many researchers say that there are ways to explain the existing Asian fossils without resorting to continuity with hybridization. The Zhirendong hominins, for instance, could represent an exodus of early modern humans from Africa between 120,000 and 80,000 years ago. Instead of remaining in the Levant in the Middle East, as was thought previously, these people could have expanded into east Asia, says Michael Petraglia, an archaeologist at the University of Oxford, UK.

Other evidence backs up this hypothesis: excavations at a cave in Daoxian in China's Hunan province have yielded 47 fossil teeth so modern-looking that they could have come from the mouths of people today. But the fossils are at least 80,000 years old, and perhaps 120,000 years old, Liu and his colleagues reported last year>6. "Those early migrants may have interbred with archaic populations along the way or in Asia, which could explain Zhirendong people's primitive traits," says Petraglia.

Another possibility is that some of the Chinese fossils, including the Dali skull, represent the mysterious Denisovans, a species identified from Siberian fossils that are more than 40,000 years old. Palaeontologists don't know what the Denisovans looked like, but studies of DNA recovered from their teeth and bones indicate that this ancient population contributed to the genomes of modern humans, especially Australian Aborigines, Papua New Guineans and Polynesians—suggesting that Denisovans might have roamed Asia.

Maria Martinon-Torres, a palaeoanthropologist at University College London, is among those who proposed that some of the Chinese hominins were Denisovans. She worked with IVPP researchers on an analysis>7, published last year, of a fossil assemblage uncovered at Xujiayao in Hebei province—including partial jaws and nine teeth dated to 125,000–100,000 years ago. The molar teeth are massive, with very robust roots and complex grooves, reminiscent of those from Denisovans, she says.

A third idea is even more radical. It emerged when Martinon-Torres and her colleagues compared more than 5,000 fossil teeth from around the world: the team found that Eurasian specimens are more similar to each other than to African ones>8. That work and more recent interpretations of fossil skulls suggest that Eurasian hominins evolved separately from African ones for a long stretch of time. The researchers propose that the first hominins that left Africa 1.8 million years ago were the eventual source of modern humans. Their descendants mostly settled in the Middle East, where the climate was favourable, and then produced waves of transitional hominins that spread elsewhere. One Eurasian group went to Indonesia, another gave rise to Neanderthals and Denisovans, and a third ventured back into Africa and evolved into H. sapiens, which later spread throughout the world. In this model, modern humans evolved in Africa, but their immediate ancestor originated in the Middle East.

Not everybody is convinced. "Fossil interpretations are notoriously problematic," says Svante Paabo, a palaeogeneticist at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany. But DNA from Eurasian fossils dating to the start of the human race could help to reveal which story—or combination—is correct. China is now making a push in that direction. Qiaomei Fu, a palaeogeneticist who did her PhD with Paabo, returned home last year to establish a lab to extract and sequence ancient DNA at the IVPP. One of her immediate goals is to see whether some of the Chinese fossils belong to the mysterious Denisovan group. The prominent molar teeth from Xujiayao will be an early target. "I think we have a prime suspect here," she says.

Fuzzy picture

Despite the different interpretations of the Chinese fossil record, everybody agrees that the evolutionary tale in Asia is much more interesting than people appreciated before. But the details remain fuzzy, because so few researchers have excavated in Asia.

When they have, the results have been startling. In 2003, a dig on Flores island in Indonesia turned up a diminutive hominin>9, which researchers named Homo floresiensis and dubbed the hobbit. With its odd assortment of features, the creature still provokes debate about whether it is a dwarfed form of H. erectus or some more primitive lineage that made it all the way from Africa to southeast Asia and lived until as recently as 60,000 years ago. Last month, more surprises emerged from Flores, where researchers found the remains of a hobbit-like hominin in rocks about 700,000 years old>10.

Recovering more fossils from all parts of Asia will clearly help to fill in the gaps. Many palaeoanthropologists also call for better access to existing materials. Most Chinese fossils—including some of the finest specimens, such as the Yunxian and Dali skulls—are accessible only to a handful of Chinese palaeontologists and their collaborators. "To make them available for general studies, with replicas or CT scans, would be fantastic," says Stringer. Moreover, fossil sites should be dated much more rigorously, preferably by multiple methods, researchers say.

But all agree that Asia—the largest continent on Earth—has a lot more to offer in terms of unravelling the human story. "The centre of gravity," says Petraglia, "is shifting eastward."

Author: Jane Qiu | Source: Nature 535, 22–25 (14 July 2016) doi:10.1038/535218a [July 15, 2016]

The name Stonehenge is full of mysteries. It is probably the most famous prehistoric monument, and also the monument about which the most myths and legends have been created. For the first time in the world, an exhibition is being shown about the fascinating cult complex Stonehenge and its surrounding landscape including the latest research findings on the much bigger and older stone circle at Durrington Walls – this is at MAMUZ Museum Mistelbach.

In the exhibition Stonehenge. A Hidden Landscape, original finds will be on display which have never before left the British Isles. Gigantic stone models in original size which can be touched, original stones like the ones used in the cult complex, and also digital animations on the surrounding landscape transport visitors to the mystical world of our ancestors more than 4,000 years ago. But a long time before Stonehenge there were even bigger monumental structures in Europe, in particular in the Weinviertel region: the circular enclosures. Discover a piece of the religious world of our ancestors – Stonehenge is close enough to touch.

True-to-scale reconstructions of the stone circle based on 3D laser scan data let visitors to MAMUZ experience the magnificence and dimension of this cult monument without having to travel to the cult site itself. Elaborate visualisations give a three-dimensional impression of the landscape surrounding Stonehenge so that visitors are able to imagine the stone circle and also picture all of the fascinating cult monuments in the extensive surrounding area. At the location west of London, in Wiltshire, the large numbers of visitors and the preservation of the site mean it is not possible to enter the stone circle directly or to touch the stones. In the exhibition at Museum Mistelbach, visitors are really “in the thick of it” thanks to visualisations and reproductions and they can also touch original bluestones and sarsen stones as used to build the complex.

The exhibition also links Stonehenge with the prehistory of the province of Lower Austria. Long before the first stones were put in place at Stonehenge, the first monumental structures appeared in Central Europe. The impressive discoveries of these circular enclosures, which are distributed throughout Lower Austria and especially in the Weinviertel region, are shown alongside the fascinating original exhibits of the so-called Bell Beaker culture, which demonstrates the transition from the Stone Age to the Bronze Age in Lower Austria.

Working together with renowned cooperation partners, academics from Austria and abroad and also experts in exhibition design and multimedia presentation, MAMUZ is showing the first ever exhibition about Stonehenge. The exhibition is being realised in cooperation with the Niederösterreichische Landessammlungen, Ludwig Boltzmann Institute, 7reasons, atelier cremer and the University of Birmingham.

Stonehenge: A Hidden Landscape opens on 20th March 2016 and will run until 27 Nov. 2016.

Source: MAMUZ Museum Mistelbach [March 03, 2016]

A gruesome discovery in eastern France casts new light on violent conflicts that took lives — and sometimes just limbs — around 6,000 years ago.

Excavations of a 2-meter-deep circular pit in Bergheim revealed seven human skeletons plus a skull section from an infant strewn atop the remains of seven human arms, say anthropologist Fanny Chenal of Antea Archéologie in Habsheim, France, and her colleagues.

Two men, one woman and four children were killed, probably in a raid or other violent encounter, the researchers report in the December Antiquity. Their bodies were piled in a pit that already contained a collection of left arms hacked off by axes or other sharp implements. Scattered hand bones at the bottom of the pit suggest that hands from the severed limbs had been deliberately cut into pieces.

It’s unclear who the arms belonged to. All the Bergheim skeletons have both their arms except for a man with skull damage caused by violent blows. His skeleton lacks a left arm, the researchers say. They have been unable to determine whether that arm ended up in the pit.

Chenal’s group doesn’t know whether attackers targeted victims’ left arms for a particular reason. The arms could have been taken as war trophies, the team speculates.

Radiocarbon dating of two bones indicates that individuals in the Bergheim pit lived roughly 6,000 years ago. From 6,500 to 5,500 years ago, during what’s known as the Neolithic period, one of the many ways of disposing of the dead in farming communities throughout Central and Western Europe was in circular pits.

Discoveries of human and nonhuman bones, as well as pottery, in these pits go back more than a century. The Bergheim pit provides the first evidence that people killed and mutilated in raids or battles were sometimes buried in circular pits, too, says study coauthor Bruno Boulestin, an anthropologist at the University of Bordeaux in France.

Unusual deposits in Neolithic circular pits, such as attack victims and severed limbs at Bergheim, “may have been more common than previously expected,” says biological anthropologist Silvia Bello of the Natural History Museum in London, who did not participate in the new study. She suspects, for instance, that closer inspection of human bones previously found in circular pits elsewhere in Europe will reveal additional instances of violent deaths from a time when armed conflicts occurred between some communities.

Bergheim’s brutalized victims spice up attempts to make sense of Neolithic circular pits. Many researchers regard these pits as remnants of storage silos that were put to other uses, possibly as receptacles for the bodies of people deemed unworthy of formal burials.

Others argue that a large proportion of pits were dug as graves for high-ranking individuals, whose servants or relatives were killed to accompany them. Or, slaves might have been killed and put in pits as displays of wealth or as sacrifices to gods.

Of 60 circular pits excavated in Bergheim in 2012 in advance of a construction project, 14 contained human bones. The researchers found skeletons or isolated bones of at least one to five individuals in each of 13 pits. The final pit contained the bodies and limbs described in the new paper.

Joints of severed arms and skeletons in that pit were well-preserved, indicating that all had been placed there at or around the same time with a minimum amount of jostling disturbance. The pit also contained remains of a piece of jewelry made with a mussel’s valve, a stone arrowhead, a fragment of a pig’s jaw and two hare skeletons. The skeleton of a woman who had been put in the pit later lay on top of a sediment layer encasing those finds.

Neither that woman nor human remains in the other Bergheim pits showed signs of violent death or limb loss.

Author: Bruce Bower | Source: Science News [December 12, 2015]

Archaeologists from the UK working in the Channel Island of Jersey have found the remains of a 14,000-year-old hunter-gather settlement offering great views over landscapes now drowned by the English Channel.

The site, called Les Varines, is located in the Jersey parish of St Saviour and has produced over 5,000 scattered stone artefacts during the past five years of excavation. But the team has unearthed denser concentrations of tools and burnt bone and, for the first time, fragments of engraved stone. These are currently under study in an attempt to unravel the significance of these unique finds.

Dr Chantal Conneller, a Co-Director of the project from The University of Manchester, said “We knew from the beginning that Les Varines was an important site. There is nothing of its size or scale elsewhere in the British Isles but there are parallels in France and Germany. Previously we had recovered stone artefacts disturbed by later mud flows, but now it seems we have found the well preserved edges of the settlement itself. Incised stones can be common on Magdalenian camps, many are known from sites in the Germany and the south of France, where they are often seen to have a magical or religious use. However they are rare in Northern France and the British Isles, making this a significant find. Although we are not yet sure of the exact age of the campsite, it might well represent some of the first hunter-gather communities to recolonise the north of Europe after coldest period of the last Ice Age”.

The work was carried out by a team from The University of Manchester and University College London.

Dr Ed Blinkhorn, of UCL Institute of Archaeology, who led the excavations, said “This has been the culmination of five years of patient work, tracing thousands of flint tools within slope deposits back to the mother lode. We knew a significant hunter-gatherer camp lay in this field and it seems we’ve finally found it.”

The settlement sits on top of an ancient cliff line and geological investigation has shown that the camp probably sits in a small saddle in the landscape between an old sea stack and rising ground to the north.  This situation would have afforded a degree of protection from the weather during a period when the climate was still relatively cold.  This site dates toward the end of the last ice age and was occupied by modern human hunter-gatherers of the Magdalenian culture, who reoccupied northern and western Europe between 16 and 13,000 years ago.  Hunting animals like reindeer and horse, they left a rich record of sophisticated stone age technology and spectacular works of art including the cave paintings at Altamira and Lascaux.

For this reason the team are paying particular attention to three fragments of an exotic stone recovered from the site which show the traces of fine engraved lines across their surface.

Dr Silvia Bello, of the Natural History Museum, who is currently studying the fragments said “We are at an early stage in our investigations, but we can already say the stones are not natural to the site, they show clear incised lines consistent with being made by stone stools, and they do not have any obvious functional role. Engraved works of abstract or figurative art on flat stones are part of the Magdalenian cultural package and one exciting possibility is that this is what we have here.”

The fragments were found within one small corner of the 2015 excavation trenches, alongside stone artefacts and close to a concentration of burnt bone, sealed within an apparent ancient landsurface and associated with possible paving slabs.

The announcement coincides with the opening of Jersey Heritage’s Jersey: Ice Age Island exhibition, displaying the results of the team’s work alongside the wider record of Ice Age archaeology from Jersey, the British Isles and Northern France.

Jon Carter, Director of Jersey Heritage said, “Jersey has an exceptional record of early stone age archaeology for such a small island, and this exhibition show cases these sites and the science behind research currently being undertaken by the Ice Age Island team. This research, supported by the Sates of Jersey Tourism Development Fund and Capco Trust, is bringing to light new stories from Jersey’s deep Ice Age heritage and continuing to show that the Island, with exceptional sites such as Les Varines and La Cotte de St Brelade is a scientific treasure trove”

The finds are the latest results from the Ice Age Island project, a collaboration between Jersey Heritage and a UK archaeological team run, through the British Museum with the UCL Institute of Archaeology, the University of Manchester, University of Wales Trinity St Davids, St Andrews University and the University of Southampton (CAHO).  The project is funded by the Jersey Tourist Development Fund and the Capco Trust, while on-going analysis is supported by the Pathways to Ancient Britain and Human Behaviour in 3D Projects funded by the Calleva Foundation. The Jersey: Ice Age Island Exhibition runs from the 25th October 2015 until 30th December 2016 at Jersey Museum.

Source: University of Manchester [November 02, 2015]

Two ancient skeletons unearthed at a cemetery in London may have been of Chinese origin, overturning longstanding assumptions about the history of the Roman Empire and Britain's capital city.

Using cutting-edge techniques, a team of archaeologists and scientists examined dental enamel samples from over 20 sets of human remains dated from between the 2nd and 4th centuries AD.

Dr Rebecca Redfern, curator of human osteology at the Museum of London, revealed two of the skeletons found at the site in Lant Street, Southwark, had been identified as possibly being of Chinese origin.

"This is absolutely phenomenal. This is the first time in Roman Britain we've identified people with Asian ancestry and only the 3rd or 4th in the empire as a whole", she told BBC Radio 4's The World at One,

The find challenges the dominance of the traditional view that Roman Britain, and specifically “Londinium” as it was then known, was a relatively homogenous society.

It also suggests the Roman and Chinese empires may have had more interaction than many historians had previously thought.

Crucially though, it raises the possibility that trade took place between Rome and China outside of the famous Silk Road.

While previous archaeological work has shown the multicultural nature of the ancient city and its importance as a major trading hub, this is only the second time the bones of an individual of possibly Chinese origin have been found at a Roman site, the first being the discovery of a possibly Asian man in Vagnari, Italy.

Writing in >The Journal of Archaeological Science, Dr Redfern said: “The expansion of the Roman Empire across most of western Europe and the Mediterranean, led to the assimilation and movement of many ethnically and geographically diverse communities.

"Its power and wealth meant that it also had trade connections for raw materials and products, such as silk throughout Europe, Africa and also to the east, including India and China.

"Many people travelled, often vast distances, for trade or because of their occupation, for example in the military, or their social status, for example if they were enslaved."

Archaeologists and historians are divided as to the the explanation behind the possible presence of Chinese individuals in Roman Britain.

The findings raise the possibility that Chinese traders settled in the area, and may have even set up their own trading communities.

However, in her journal article, Dr Redfern went on to add: “It may well be that these individuals were themselves or were descended from enslaved people originating from Asia, as there were slave-trade connections between India and China, and India and Rome."

Author: James Somper | Source: Independent [September 27, 2016]

An extraordinary archaeological discovery was revealed in an excavation of the Israel Antiquities Authority prior to the construction of a road being built at the initiative of the Netivei Israel Company. During the excavation, carried out as part of the Jezreel Valley Railway Project between Ha-‘Emekim Junction and Yagur Junction, remains of the oldest kilns in Israel were discovered where commercial quantities of raw glass were produced. These kilns, c. 1,600 years old (dating to the Late Roman period), indicate that the Land of Israel was one of the foremost centers for glass production in the ancient world.

According to Yael Gorin-Rosen, head curator of the Israel Antiquities Authority Glass Department, “This is a very important discovery with implications regarding the history of the glass industry both in Israel and in the entire ancient world. We know from historical sources dating to the Roman period that the Valley of ‘Akko was renowned for the excellent quality sand located there, which was highly suitable for the manufacture of glass. Chemical analyses conducted on glass vessels from this period which were discovered until now at sites in Europe and in shipwrecks in the Mediterranean basin have shown that the source of the glass is from our region. Now, for the first time, the kilns have been found where the raw material was manufactured that was used to produce this glassware”.

The excavation of the kilns has caused great excitement in recent weeks among glass researchers throughout the world, some of whom have come especially to Israel in order to see this discovery first hand. According to Professor Ian Freestone of the University College London, who specializes in identifying the chemical composition of glass, "This is a sensational discovery and it is of great significance for understanding the entire system of the glass trade in antiquity. This is evidence that Israel constituted a production center on an international scale; hence its glassware was widely distributed throughout the Mediterranean and Europe”.

This enormously important site was discovered by chance last summer by archaeologist Abdel Al-Salam Sa‘id, an inspector with the Israel Antiquities Authority. While overseeing infrastructure work being conducted on the new railway line from Haifa to the east, he suddenly observed chunks of glass, a floor and an ash layer inside a trench. He halted construction work at the site and began preparations for an archaeological excavation, the important results of which are now evident.

According to Abdel Al-Salam Sa‘id, the excavation direction, “We exposed fragments of floors, pieces of vitrified bricks from the walls and ceiling of the kilns, and clean raw glass chips. We were absolutely overwhelmed with excitement when we understood the great significance of the finds”.

The kilns that were revealed consisted of two built compartments: a firebox where kindling was burnt to create a very high temperature, and a melting chamber – in which the raw materials for the glass (clean beach sand and salt) were inserted and melted together at a temperature of c. 1,200 C degrees. The glass was thus heated for a week or two until enormous chunks of raw glass were produced, some of which weighed in excess of ten tons. At the end of the manufacturing process the kilns were cooled; the large glass chunks that were manufactured were broken into smaller pieces and were sold to workshops where they were melted again in order to produce glassware.

During the Early Roman period the use of glass greatly expanded due to its characteristics: its transparency, beauty, the delicacy of the vessels and the speed with which they could be produced by blowing – an inexpensive technique adopted at the time that lowered production costs. Glass was used in almost every household from the Roman period onward, and it was also utilized in the construction of public buildings in the form of windows, mosaics and lighting fixtures. Consequently, large quantities of raw glass were required which were prepared on an industrial scale in specialized centers. The installation that was discovered in the excavation is an example of one of these ancient production facilities.

According to a price edict circulated by the Roman emperor Diocletian in the early fourth century CE, there were two kinds of glass: the first was known as Judean glass (from the Land of Israel) and the second – Alexandrian glass (from Alexandria, Egypt). Judean glass was a light green color and less expensive than Egyptian glass. The question was: Where were the centers that manufactured this Judean glass that was a branded product known throughout the Roman Empire and whose price was engraved on stone tablets so as to ensure fair trade. The current discovery completes the missing link in the research and indicates the location where the famous Judean glass was produced.

In a few months time the public will be able to see this discovery first-hand when it will be exhibited at the "Carmel Zvulun" Regional High school, in the Zevulun Regional Council.

Additional Background Information

Glass production kilns that date to the sixth or early seventh century CE were previously found at Apollonia in Herzliya and are c. 200 years later than the current discovery. The largest glass production facility from antiquity that has been found so far was exposed in the Bet Eliezer neighborhood in Hadera where it was dated to the seventh–eighth centuries CE, and the latest evidence we have of glass production in the country was revealed at Bet She‘arim (next to Khirbat ‘Asafna), dated to the late eighth and early ninth centuries CE.

The kilns that were just recently found are the earliest ones to be discovered so far in Israel. Their relatively good state of preservation will make it possible to better understand the production process. Researchers now hope that by means of its chemical composition they will be able to trace the export of the glass throughout the Roman Empire.

The raw glass industry at Khirbat ‘Asafna was part of an extensive industrial zone where there were oil presses, wine presses and a glassware workshop which was excavated in the 1960’s by an American archaeological expedition

Source: Israel Antiquities Authority [April 11, 2016]