Complex genetic ancestry of Americans uncovered

By comparing the genes of current-day North and South Americans with African and European populations, an Oxford University study has found the genetic fingerprints of the slave trade and colonisation that shaped migrations ...

Skulls show New World was settled twice: study

Two distinct groups from Asia settled in the New World and not one single migration as suggested by previous genetic studies, experts said Monday after comparing the skulls of early Americans.

Incest isn't a taboo in the animal kingdom, new study shows

We humans tend to regard incest as deeply disturbing. It's a strong social taboo, and it's underpinned by sound biological reasoning. Mixing genes with a non-relative is beneficial because it increases genetic diversity, ...

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