UK: Human presence in Ireland pushed back by 2,500 years UK: Stonehenge may have served as a cremation cemetery UK: Evidence of early Christian presence in Roman London UK: Solving the mystery of the Roman Walbrook skulls UK: 750-year-old skeletons will give picture of medieval Aberdeen Scotland: Patrick Matthew: Evolution's overlooked third man Near East: Should we 3D print a new Palmyra? More Stuff: Turin Egyptian Museum gets overhaul of pharaonic proportions UK: Court examines Libyan sculpture at British Museum