Saturday, October 31, 2015

Tiny zircons suggest life on Earth started earlier than we thought, UCLA researchers say

Los Angeles may be a city obsessed with youth, but it is also home to the world's largest collection of Hadean zircons — the oldest known material on Earth.

Hadean zircons are tiny — about the same width as a strand of hair — but they contain a huge amount of information about the earliest days...



via L.A. Times - Science http://ift.tt/1M7keAS

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