Topic ID #34200 - posted 12/4/2014 5:41 AM

Half-million Year Old Etched Shell


Archaeologist Stephen Munro nearly fell off his chair when he noticed patterns of straight lines purposefully etched on a fossilized clamshell. The engravings were half a million years old, which meant they'd been made by a Homo erectus—an extinct human species that predated Homo sapiens by upwards of 300,000 years. (good pix here)


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