Is the Free Radical Theory of Aging Wrong?
In the 1990s we thought we’d identified the root cause of aging: nasty molecules called free radicals that wreaked havoc on our cells. Even better, we’d figured out how to counteract them with loads o...
2 Mar 202150min
Selects: Bridges: Nature Abhors Them
From prehistoric logs across streams to the 102-mile Kunshan Grand Bridge, nature works ceaselessly to take down spans. In this classic episode, learn about the fascinating ins and outs of bridge desi...
27 Feb 202157min
How Bruce Lee Worked
Bruce Lee may have introduced more Westerners to Asian culture than any person in history. And, because he died young just as he became an international superstar, he’s become a legend. Josh and Chuck...
25 Feb 202151min
Short Stuff: The Body in the Cylinder
In 1945, residents of a Liverpool neighborhood found a desiccated body in a long cylinder they’d been using for years using as a bench. It launched a mystery that’s still alive today. Learn more abou...
24 Feb 202114min
What Will Farming 4.0 Look Like?
The human population is expected to increase by a couple billion people in the next 30 years and those who are paying attention are wondering exactly how we’ll feed all those extra mouths. Will going ...
23 Feb 202148min
Selects: How Chili Peppers Work
Born and raised in South America, chilis were the earliest crop domesticated in the continent and among the first items brought back to Europe by Columbus. Today people are really, really into them. F...
20 Feb 202152min
How Blue Holes Work
Geologists and biologists have recently realized that the planet’s oceans and coasts are littered with a unique type of ecosystem called blue holes, submerged sinkholes that were once dry caves. They ...
18 Feb 202136min
Short Stuff: Freedom House Ambulance Services
As part of Black History Month, we wanted to share the little known story of the Freedom House Ambulance Service. Listen in to learn all about this seminal group of EMTs. Learn more about your ad-cho...
17 Feb 202116min
