
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 of antioxidants. Then science started raising questions. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
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 design and building and the mind-boggling challenges structural engineers face. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
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 try to uncover the man underneath. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
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 about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
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 high tech or getting back to nature save us? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
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. Find out all about 'em in this classic episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
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 are turning out to be weird and amazing places. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
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-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
17 Feb 202116min






















