By Chris Gignoux and Mike Macpherson
It should be no surprise that in general, we are more genetically similar to our neighbors than to people living far away. The reason is fairly simple — until recently in human history it was fairly rare for people from widely separated geographic regions to even meet, much less reproduce.
This [...]

Tags: ancestry, clines, Europe, prehistory

Just when you thought everything was starting to make sense – new genetic research on the peopling of the Americas throws us a curve.
There has been plenty of research in both genetics and archaeology recently trying to figure out how the New World was colonized. Was it by boat or via the frozen wasteland [...]

Tags: Archaeology, Bering Strait, genetics, migration, Native Americans, PLoS, prehistory