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Palaeontology: Ice core evidence suggests famine worsened Black Death
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.Burying Plague victims [Credit: USU]Prior work by investigators has traced the cause to plague-carrying fleas borne by rats that jumped ship in trading ports. I…
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UK: Stonehenge 'bluestone' quarries found in Wales
Excavation of two quarries in Wales by a UCL-led team of archaeologists and geologists has confirmed they are sources of Stonehenge's 'bluestones'– and shed light on how they were quarried and transported.Excavations at Craig Rhos-y-felin [Credit: UCL]New research by the team published today in Antiquity presents detailed evidence…
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Genetics: Tweak in gene expression may have helped humans walk upright
Consider the engineering marvel that is your foot. Be it hairy or homely, without its solid support you'd be hard-pressed to walk or jump normally.Researchers have identified a change in gene expression between humans and primates that may have helped give us this edge when it comes to walking upright. And they did it by studying …
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Greenland: Greenland on thin ice?
The ice sheet covering Greenland is four times bigger than California -- and holds enough water to raise global sea-level more than twenty feet if most of it were to melt. Today, sea levels are rising and the melting of Greenland is a major contributor. Understanding how fast this melting might proceed is a pressing question for p…