Daniel N. Baker

Mar. 01, 2013

A Natural Particle Accelerator, Far Above the Planet

Closer study of the Van Allen radiation belts above Earth is providing new questions for science.

van allen belts, radiation, space weather, accelerated electrons, solar wind

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Michael Pollan Talks Plants and Food

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Baby, It's Cold Outside

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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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