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An interesting spin-off from the CO2/panic discovery that I wrote about earlier is the theory that large fish living in shallow water dominated by oxygen devouring plant life would have used their forefins to push themselves up above the surface to 'gasp' air (via gills?). Evolutional mutation would throw up 'improved' pelvic fins that would hand out a survival advantage.

The human reaction to sudden increases in CO2 in the environment is the head thrown up and back.

You can't be me, I'm taken

by Sven Triloqvist on Sun Oct 8th, 2006 at 05:47:55 AM EST
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