Jennifer Linder

Jul. 06, 2012

What's Your IQ on SPF?

A look at the science of sunscreen: how it intercepts the sun's rays, whether it blocks vitamin D production, and what SPF really means.

sunscreen, uva, uvb, ultraviolet radiation, sun block, suntan lotion, sun tan lotion, nanoparticles, skin cancer, melanoma, vitamin d, summer, sunshine

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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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