Sallie (Penny) Chisholm

Jun. 13, 2008

Prochlorococcus

Just over twenty years ago, researchers discovered a photosynthetic marine microorganism now known as Prochlorococcus. In this segment, guest host Joe Palca talks with Penny Chisholm, a biologist at MIT who first reported the discovery of the tiny organi

prochlorococcys, photosynthesis, marine life,

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Michael Pollan Talks Plants and Food

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Happy National Moth Week!

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Mystery Box

The Myth of the Woolly Bear

\tLegend holds that the length of a woolly bear caterpillar’s color bands can be used to forecast how severe the winter weather will be. The myth dates back to colonial American folklore but was popularized by a 1948 study. SciFri finds out if there’s any truth to the lore, and what the caterpillar’s fuzzy bristles are really used for.

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