David J. Brenner

Mar. 18, 2011

Update On Japan's Malfunctioning Nuclear Reactors

Nuclear experts discuss events at the Fukushima Daiichi facility.

japan, earthquake, tsunami, nuclear, radioactive

Nov. 19, 2010

Airport Scanners

Public outcry continues to build over use of advanced scanners in airport security screening. We'll talk about the system, how it works, and what you need to know about the technology.

airport security, xray, backscatter

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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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