To discover why some survivors of trauma experience PTSD and some don't, scientist Rachel Yehuda must convince a community of Holocaust survivors to let her study them.
Read MoreIra Flatow: The Sound of the Falls
As a young science reporter at NPR, Science Friday's Ira Flatow accepts a challenge to record what it sounds like to go over Niagara Falls.
Read MoreWyatt Cenac: Drunk Driving for Science
While completing a community service requirement in high school, comedian Wyatt Cenac puts a drunk driving simulation to the test.
Read MorePaula Croxson: How Cold Is Too Cold?
Neuroscientist Paula Croxson is determined to finish her first open-water swimming race -- despite the dangers.
Read MoreBen Lillie: The Truth About My Grandfather
After his grandfather passes away, Ben Lillie learns the surprising truth about his life -- from Wikipedia.
Read MoreElana Lancaster: The Egg & the Equinox
In grade school, Elana Lancaster gets into trouble when he questions his student teacher's science.
Read MoreSkylar Bayer: The Hummingbird of Doom
Skylar Bayer's dreams of a career in scientific scuba diving are put in jeopardy when her heart begins acting strangely.
Read MoreAaron Wolfe: The Inseminator
Aaron Wolfe seeks meaning through labor at a kibbutz dairy farm -- and finds himself tackling some rather unexpected tasks.
Read MoreJo Firestone: A Sex Education
When comedian Jo Firestone goes to college, she starts to worry she has an STD -- even though she's never had sex.
Read MoreMaryAnn Wilbur: Two Pregnancies
While she's 26 weeks pregnant, OB-GYN MaryAnn Wilbur treats a woman who is also 26 weeks pregnant -- and about to go into labor.
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