Here’s a great NYTimes article this morning summarizing some recent genetic research on the origins of humans in Africa. We’ve known for quite some time that humans originated in Africa, but the current studies trace human ancestry to the southwest corner of Africa, something that had not been done before. That’s pretty cool. But even more cool – about 150 humans crossed into Arabia and their descendents settled the rest of the world. The fact that we can determine all of that through genetics is simply remarkable. Science rocks!

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