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Episodes

Skeptic Seth Sep 26, 2016
Skeptic Check: Skeptic Seth
A day of critical thinking.
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ENCORE Are you skeptical?  Sure, you raise an eyebrow when some Nigerian prince asks for your bank numbers, or when a breakfast cereal claims that it will turn your kid into a professional athlete overnight.

Sex Post Facto Sep 19, 2016
Sex Post Facto
What’s next.
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Birds do it, bees do it, but humans may not do it for much longer.  At least not for having children.  Relying on sex to reproduce could be supplanted by making babies in the lab, where parents-to-be can select genomes that will ensure ideal physical and behavioral traits.

Sep 12, 2016
The Evolution of Evolution
When we control the DNA.
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ENCORE Darwinian evolution is adaptive and slow … millennia can go by before a species changes very much. But with the tools of genetic engineering we can now make radical changes in just one generation. By removing genes or inserting new ones, we can give an organism radically different traits and behaviors.

Asteroids! Sep 05, 2016
Asteroids!
Weighing the risks.
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Everyone knows that a big rock did in the dinosaurs, but smaller asteroids are millions of times more common and can also make a violent impact. Yet unlike the bigger asteroids, we’re not tracking them. Find out what we’d need to keep an eye on the size of space rocks such as that which exploded over Chelyabinsk, Russia. And how an asteroid whiz

DIY Diagnosis Aug 29, 2016
DIY Diagnosis
Your health in your hands.
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Got aches and pains?  Critters in the Cretaceous would have been sympathetic.  A new study reveals that painful arthritis plagued a duck-billed dinosaur.  Scientists impressively diagnosed the animal’s condition without a house call by examining its 70 million-year old bones.