Robert Proctor
Author, "Golden Holocaust: Origins of the Cigarette Catastrophe and the Case for Abolition" (University of California Press, 2012)
Professor, History of Science
Stanford University
Stanford, California

Sep. 07, 2012

Seeing Through the Smoke -- The Secrets in a Cigarette

Many cigarettes are only two-thirds tobacco, and contain hundreds of additives, such as antifreeze, cocoa shells, and liquorice.

smoking, quitting smoking, tobacco, cigarettes, cigarette additives, how to quit smoking, cigarette ingredients, nicotine vaccine, addiction

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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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