Here's what we know sex with Neanderthals was like
One thing the archaeological record cannot tell us is if Neanderthals and early modern humans were physically attracted to one another (Credit: RM Flavio Massari/Alamy) Scientists know a surprising amount about the titillating episode in human history when our species got together, including whether we kissed and the nature of their sexual organs. He was a Neanderthal, and stark naked apart from a
How Tibetans survive life on the ‘roof of the world’
A small set of gene variants allow the Tibetans' bodies to increase the efficiency of the oxygen transport in their blood, without straining the heart (Credit: Getty Images) How the indigenous Tibetan population evolved to live with so little oxygen has been a mystery. Now we are beginning to understand that another species may lie behind their survival. Some time in the past, a family sat on the
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The secret lives of Neanderthal children