Life: Where Did It All Start?
Issue 48 of Cosmos, December 2012 by Robin McKie
Earth formed about 4.6 billion years ago and life first appeared here about a billion years later. Scientists don’t agree over the processes involved but, according to some theories, extremophiles were involved.
Charles Darwin suggested life began in "a warm little pond". Earth's early atmosphere would have been rich in methane, ammonia, and other gases on…
ContinueAdded by Sidney M. Gonzalez on January 31, 2013 at 9:20am — 4 Comments
A history of Life and the Universe Part 1: Before the Before
Added by Lone Wolf on August 16, 2010 at 1:06am — 2 Comments
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Ruth Anthony-Gardner replied to Ruth Anthony-Gardner's discussion Rossby waves - what happens in the Arctic doesn't stay in the Arctic in the group Climate Concerns
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