The power of pond scum


	The power of pond scum

Socratoad

10-2-2009 5:46 PM

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10-3-2009 12:31 AM

The Infowarrior

Toxic waste, being used to grow plants? what is this madness.

Still, good idea though.

10-3-2009 12:37 AM

willhelm

We need CO2 to live. All living things need CO2 to live.

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