17:43
Do Your Patriotic Duty: Learn Math
Mathematician Edward Frenkel says a well-educated public is essential to democracy—and that includes being knowledgeable about math.
15:47
Meet the Mohawk Behind NASA’s Curiosity Mission
NASA’s “Mohawk Man,” Bobak Ferdowsi, talks public and private space exploration, plans for Europa, and whether or not we’ll be putting a human on Mars.
12:08
Celebrating Nature’s Summer Light Show, Fireflies
The flashing of lightning bugs is a favorite part of a lazy summer evening, but there’s a lot of hidden nighttime drama.
17:28
How New Rules and Smart Tech Are Reinventing the Grid
After Superstorm Sandy, there was a lot of talk of a more distributed smart grid—a more resilient system. But how far have we come?
15:58
A Web of Doubt
Author Charles Seife spots the falsehoods and fakes that make their way onto the information super highway.
12:03
Shedding Light on the Science of Sunscreen
How does sunscreen protect our skin from harmful radiation, and what is the meaning behind SPFs?
20:39
Food Failures: Avoiding Grilling and Barbecue Pitfalls
Marinade myths, charcoal chemistry, and the elusive “smoke ring”—the science behind barbecue and grilling.
13:24
Getting A Grasp On The Clever Cephalopod
The nautilus, the “living fossil” of cephalopods, can uncover the origins of the complex brain of modern cephalopods.
12:21
3-D Mammography Detects More Cancers, But Will It Save Lives?
A new study suggests that 3-D mammography detects more cancers than traditional digital mammography. But the technology is expensive, and there’s no indication yet that it catches more dangerous cancers, or is saving more lives.
31:02
Making Art From the DNA You Leave Behind
Artist Heather Dewey-Hagborg calls attention to genetic surveillance with artworks made from strangers’ DNA.