NPR News: Tiny Fossils Could Be Oldest Evidence Of Life On Earth

Tiny Fossils Could Be Oldest Evidence Of Life On Earth
Scientists say they've found the remains of tube- and string-like organisms in Canadian rocks that are at least 3.7 billion years old. But findings like these are always controversial.

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Health & Science - March 2, 2017 at 04:38AM - Tiny Fossils Could Be Oldest Evidence Of Life On Earth