Mating with Neanderthals and another group of extinct hominids, Denisovans, strengthened the human immune system and left behind evidence in the DNA of people today, according to new research.

The findings add to the growing body of evidence that modern humans who left Africa around 65,000 years ago mated with Neanderthals and Denisovans — two archaic species that lived in Europe and Asia.

 

Read more here: http://www.msnbc.msn.com/id/44277901/ns/technology_and_science-science/

Having a Neanderthal for a boyfriend wasn't always a bad thing. This is a replica of an old Neanderthal man at the Neanderthal Museum in Mettmann, Germany.