The Evolutionary Biology of Star Trek...

For hundreds of thousands of years, several specie...  ...the same time: the Neanderthals, the Denisovans, Homo erectus, Homo floresiensis, and possibly others we don't know a...  ...n humans? There is now a lot of DNA evidence that Homo sapiens interbred with Neanderthals and...

http://www.neatorama.com/2013/01/17/The-Evolutionary-Biology-of-Star-Trek/