Friday, February 15, 2013

world oldest fossil

"Three-and-a-half billion years is a long time — after all, humans have only been around for about 2.3 million years. But scientists working in Western Australia's geologically rich Pilbara region say they've found the world's oldest fossils" http://www.huffingtonpost.com/2013/01/04/oldest-fossils-349-australia_n_2404470.html

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