Many people believe that happiness comes from money or youth or beauty, but Dan Buettner would respectfully disagree. Buettner visited some of the happiest places on Earth and argues that the real keys to happiness lie in fundamental, permanent changes to the way we live.
The HeLa cell line — one of the most revolutionary tools of biomedical research — has played a part in some of the world's most important medical advances, from the polio vaccine to in vitro fertilization.
As a journalist, I've known Katherine Bouton for over 30 years. I first met her on a trip to Antarctica in 1979. A famous picture of me interviewing penguins was taken by Ms. Bouton. But I was never fully aware of the extent of the private battle she has been fighting, an invisible condition that affects 50 million Americans, I'm talking about hearing loss.
This is SCIENCE FRIDAY, I'm Ira Flatow. Early this morning...
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FLATOW: You heard it, a meteor exploded over Central Russia. It rattled buildings, shattered glass over a wide area, causing hundreds of injuries estimated at 900 or more at this hour. And at this very moment another asteroid, half the size of a football field, is speeding towards our planet. But there's no need to panic. This one is not raining space rocks, say scientists.
FLATOW: Switching gears, and our gear is our Video Pick of the Week, and it's a real - as always, a real cool one.
LICHTMAN: This one, yeah, very cool. We're to the earthly pleasures now - part - segment of the show. It's about art. We went and visited the studio of artist Toni Dove, and she makes the art - the kind of art that's just my style. It satisfies my craving for fantasy, and also my real nerdy, geeky side.
This is SCIENCE FRIDAY. I'm Ira Flatow. Anyone who's taken a high school science class knows the name Isaac Newton. You remember this tale: He's sitting under a tree, an apple falls on his head, he figures out gravity, or so the story goes. Not really true.