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BROADCASTS
Listen to the full 2-hour Science Friday broadcast, from last week or any week you like.
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.
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.
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.
11:52
Ben Franklin: Sonic Explorer
Ben Franklin’s sonic experiments included inventing a new musical instrument and testing the limits of the human voice.
3:05
Arnold Relman, Health System Critic, Dead at 91
Relman called the American health care system a “new medical-industrial complex.” We remember him here with two archival clips.
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.
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.
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.
20:39
Food Failures: Avoiding Grilling and Barbecue Pitfalls
Marinade myths, charcoal chemistry, and the elusive “smoke ring”—the science behind barbecue and grilling.
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?