1. Outnumbered

    Humans Crowded Out Neanderthals

     In this Jan. 8, 2003 file photo a reconstructed Neanderthal skeleton, right, and a modern human version of a skeleton are on display at the Museum of Natural History in New York.

    Frank Franklin II / AP Photo

    Those poor Neanderthals have had a rough time since we came along: A new study has found that they were outnumbered by modern humans by as much as 10 to 1 in Europe, explaining why they went extinct roughly 40,000 years ago. Though Neanderthals had lived in Europe for at least 200,000 years before modern humans migrated from Africa, research suggests they were pushed out by their Homo sapiens competitors, who would have been seeking similar hunting grounds and shelters. A paleoanthropologist at the University of Michigan said that longevity and better mating habits likely helped modern humans take down the Neanderthals.

    Read it at Los Angeles Times