theblackalchemist Posted July 16, 2007 Report Share 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 Link to comment Share on other sites More sharing options...
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