2-Billion-Year-Old Squiggles Could Be the Earliest Evidence of a Mobile Life Form

2-Billion-Year-Old Squiggles Could Be the Earliest Evidence of a Mobile Life Form

7:58 AM

The reported discovery of 2.1-billion-year-old fossilized track marks etched in sedimentary rock is pushing back the earliest evidence of self-propelled movement by an organism on Earth by a whopping 1.5 billion years.

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from Gizmodo http://bit.ly/2SBExlm

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