theblackalchemist Posted July 16, 2007 Report Posted July 16, 2007 A spine specialist trying to figure out why people so often have bad backs says he has come up with a new theory about when and how early humans evolved the ability to walk upright. The uncannily human-looking backbone of a 21 million-year-old precursor of humans and apes gives the first clue, said Dr Aaron Filler of the Cedars Sinai Medical Center in Los Angeles. A major change in the vertebrae that allowed this pre-------............[/Quote] More here - Times of IndiaTBA Quote
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.