I guess you didn’t know I be back for more

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It’s weird to think that tens of thousands of years ago, humans were mating with different species—but they were. That’s what DNA analyses tell us. When the Neanderthal genome was sequenced in 2010, it showed that as much as 1 to 4 percent of the DNA of non-Africans might have been inherited from Neanderthals.

Scientists also announced last year that our ancestors had mated with another extinct species, and this week, more evidence is showing how widespread that interbreeding was.

We know little about this extinct species. In fact, we don’t even have a scientific name for it; for now, the group is simply known as the Denisovans.

{ Smithsonian Magazine | Continue reading }