300-Million-Year-Old Tooth Wheel Found In Russian Coal: Scientists

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Quote:

The Earth was so young 300 million years ago, the first land animals had yet to evolve into dinosaurs, most scientists believe. If that's the case, how do you explain the discovery in Russia of a piece of a gear shift -- a common machine part -- embedded into a hunk of 300-million-year-old coal. Has this artifact been correctly identified? And if so, who could have made this thing? And for what purpose?

This is huge, I'm surprised no one posted it here for discussion.

via JREF Forum http://ift.tt/1iiFffF