Gerald Weissmann

Feb. 27, 2009

Why Do People Go Gray?

It's one of the most common signs of aging -- gray hair. But exactly why does hair turn gray?

hair, aging, peroxide

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Michael Pollan Talks Plants and Food

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Mystery Box

Another Reason To Spike That Eggnog

\tIt is a question on the minds of many people this season: will adding alcohol to the homemade eggnog safeguard against salmonella? To find out, Science Friday teamed up with eggnog expert and microbiologist Vince Fischetti, who agreed to run some tests in his lab at The Rockefeller University. What did you think of the video?

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