TWiM #32: Not the shadow biosphere

May 2, 2012

Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter, and Rosie Redfield.

Vincent, Elio and Michael speak with Rosie Redfield about her evidence that a bacterium cannot grow on arsenic instead of phosphorus. Mono Lake

Right click to download TWiM #32 (49 MB, .mp3, 67 minutes).

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