Chimps Used Simple Tools 5 Million Years Ago

David_Bloom writes: "Evidence that chimps have been using simple tools over 500 million years ago has been unveiled by an archeological dig in West Africa. Tragically, it will probably be another 500 million years before my mom figures out how to use the simple Windows taskbar. [sigh]" Update: 05/23 22:45 GMT by T : Actually, as the linked article really says, that should be five million, rather than 500 million.

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From the article

[ynotds]

at the close of what is known as the Miocene era, when Ice Age conditions cooled the planet

Any paleontologist worth their salt will be so familiar with the stratigraphic boundaries between the various geological epochs, including the Miocene, that they aren't going to think to give their dating a special mention, especially not in a CNN one page summary.