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<p>[QUOTE=&quot;-jeffB, post: 8292636, member: 27832&quot;]The Oxygen Catastrophe. I wonder if there were cyanobacteria saying &quot;no way the little bit of oxygen I put out could <i>destroy the planet</i>&quot;.</p><p><br /></p><p>And it didn&#039;t. It just... changed things. It didn&#039;t even kill off <i>all</i> the existing life; some anaerobes survive to this day. We know them by their deeds: <i>C. diff.</i>, botulism, gangrene. I wonder what <i>our</i> legacy would be?[/QUOTE]</p><p><br /></p>

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