Doug Gurian-Sherman

Mar. 12, 2010

Genetically Modified Crops

Has biotech delivered on its promise to feed the developing world? In this hour, live from St Louis, we'll talk about genetically engineered crops.

genetically modified, gm, biotech crops,

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Michael Pollan Talks Plants and Food

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Snowflake Safari

\tWinter weather means more than sledding and snowmen. Next snowstorm, grab a magnifying glass and try snowflake hunting. Bullet rosettes, stellar plates, and capped columns are just a few of the varieties of snow crystal you can find in your backyard. Kenneth Libbrecht, physicist at Caltech and snowflake expert, shares secrets of the snowflake.

\tVideo originally published on ScienceFriday.com on December 31, 2009

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