Jennifer Schneider Chafen

Jun. 11, 2010

Food Allergies

Peanuts, tree nuts, eggs, milk -- all ordinary foods that can have serious consequences if eaten by an allergic person. We'll talk about food allergies and how to diagnose and treat them.

food allergy, anaphalaxis, allergies, immune system, immunity

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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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