Felisa Wolfe-Simon

Dec. 03, 2010

Life, But Not As We Know It

Researchers report that they've found a strain of bacteria that can swap arsenic for the element phosphorus in its metabolism -- even incorporating arsenic into its DNA.

astrobiology, exobiology, bacteria, life, arsenic

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Michael Pollan Talks Plants and Food

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Mystery Box

Medical Oddities from the Bowels of the Mütter

\t"Disturbingly informative," is how museum director Robert Hicks describes Philadelphia's Mütter Museum--items of interest include a gangrenous hand, wax models of extinct diseases, deformed bones and body parts. Now imagine what's in the basement. Science Friday got a behind-the-scenes tour.

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