LifeOrangutans are exceptionally good at keeping their infants alive Over 90 per cent of orangutans survive childhood long enough to have their first baby, a feat human societies only achieved in the 1900s ¿ìè¶ÌÊÓÆµ
VideoDavid Reich: The truth about us, and where we come from Harvard geneticist David Reich and his team are DNA testing the bones of ancient humans. Their explosive results are still coming in, but one thing is already certain: much of what we thought we knew about human history is simply wrong Video