This site is not maintained. Click here for the new website of Richard Dawkins.

Comment

← Microbes breathe life into oxygen theory

malimbar04's Avatar Jump to comment 2 by malimbar04

That... is awesome.

I remember hearing that the entire world's biosphere was nearly destroyed before photosynthesis evolved - the CO2 levels being astronomically high and poisoning all life. That seems far less likely with this information.

Fri, 26 Mar 2010 16:03:00 UTC | #452566