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Sci Tech    H4'ed 12/22/17

Ancient fossil microorganisms indicate that life in the universe is common

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Life was already diverse 3.5 billion years ago — and may be so elsewhere today. .... the existence of the rocks the scientists analyzed is also rather remarkable: The average lifetime of a rock exposed on the surface of the Earth is about 200 million years, Schopf said, adding that when he began his career, there was no fossil evidence of life dating back farther than 500 million years ago.

“The rocks we studied are about as far back as rocks go.”

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At www.universityofcalifornia.edu

 

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Born in Long Island public school year in Sweden as exchange student, went to Harvard one year, Cooper Union in NYC as Art student. Have two children, one of whom is rock mogul, the other has three daughters, one of whom has two daughters, making me (more...)
 
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