Ariel, WA
Sep 28, 2007
Study challenges timeline of oxygen on Earth
“We seem to have captured a piece of time before the Great Oxidation Event during which the amount of oxygen was actually changing - caught in the act, as it were”
WASHINGTON - Oxygen, key to life on Earth today, began to appear on the planet millions of years earlier than scientists had thought, new research indicates. via KOMO-TV Seattle
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