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
AVAILABLE IN ITUNES
Michael Pollan Talks Plants and Food
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FEATURED PLAYLIST
All About Aliens
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The SETI Institute’s Jill Tarter talks about her career searching for intelligen...
- A 'Goldilocks' Planet?
Planet hunters say they've identified the first planet orbiting a distant star w...
- SETI Throws A Party
SETIcon celebrates all things extraterrestrial this weekend.
- The Search for Extraterrestrial Intelligence Is Put On Hold
Funding cutbacks have forced the hibernation of the Allen Telescope Array--that'...
- Could Life Exist on Newfound Alien Planet?
Astronomer Steven Vogt discusses a new discovery of a potentially habitable exop...
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