Many people alive today possess some Neanderthal ancestry, according to a landmark scientific study.
The finding has surprised many experts, as previous genetic evidence suggested the Neanderthals made little or no contribution to our inheritance.
The result comes from analysis of the Neanderthal genome - the "instruction manual" describing how these ancient humans were put together. Between 1% and 4% of the Eurasian human genome seems to come from Neanderthals.
BBC story (excerpt). Full story, http://news.bbc.co.uk/go/em/fr/-/2/hi/science/nature/8660940.stm