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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.
Think caffeine dehydrates you? Or that you can't get too much water on a hot day? Douglas Casa, of the Korey Stringer Institute, sets the record straight.
Mayo myth-busters, a ketchup jar that never jams, and a salute to the pickle.
Plan a scientific summer getaway around Grand Canyon geology, tidepools or volcanic lava tubes.
Thousands of lightning strikes occur each minute on Earth. We'll talk about the science of lightning.
Rick Bates, of Penn State University, shares handy tips for how to care for your...
A perennial holiday mystery: will alcohol kill bacteria in homemade eggnog?
Find out how to poison-proof holiday gatherings, and keep the holidays happy.
You've survived the big family Thanksgiving get-together -- but now the winter h...
In this episode, Cooking for Geeks author Jeff Potter gives home bakers tips on ...
\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?