There is a little Neanderthal in all of us. Although they have been extinct for 40,000 years, our genetic inheritance means that they are not entirely gone. Since the publication of the first Neanderthal genome in 2010, our understanding of the Neanderthals - and our connection to them - has changed dramatically.

Once stereotyped as simple and brutish, recent discoveries by archaeologists and geneticists have painted a different picture of Neanderthals, and one more familiar to us: they buried their dead, cared for the sick, and even painted cave walls. We can now delve...