Tiny zircons suggest life on Earth started earlier than we thought, UCLA researchers say
Saturday, October 31, 2015 - 06:30
in Earth & Climate
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...