100,000-year-old human settlement in U.A.E. overturns what we know of…

Human artifacts recently discovered in the United Arab Emirates date back at least 100,000 years, which means our ancestors might have left Africa up to 125,000 years ago...twice as long ago as previously thought. What's going on here? » 1/27/11 5:21pm 1/27/11 5:21pm