Don't Call It Dirt: The Surprising Science Of...

PFAS make pans nonstick, clothes waterproof and furniture stain resistant. They're so ubiquitous, they're even inside of us. Now, researchers are looking for more insights in firefighters' blood.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Pol ...  Show more

On Jan. 28, 1986, NASA’s 25th space shuttle mission, Challenger, left the launchpad in Cape Canaveral, Florida. Seventy-three seconds into flight, Challenger exploded over the Atlantic Ocean as millions of people watched. All seven people on board died. Now, forty years later, jo ...  Show more

From nourishing our foods to storing massive amounts of carbon, soil is teeming with diverse microbial life that could slow global warming. Climate change scientist Jane Zelikova calls for agricultural practices that protect Earth's soil by growing climate-adapted crops that don' ...  Show more

From our planet's underwater caves to its ancient soils, there are entire worlds right beneath our feet. This hour, we explore the subterranean forces that shape our lives above the ground. Guests include cave diver Jill Heinerth, death care advocate Katrina Spade, soil scientist ...  Show more

There’s two times more carbon in the earth's soil than in all of its vegetation and the atmosphere -- combined. Biogeochemist Asmeret Asefaw Berhe dives into the science of soil and shares how we could use its awesome carbon-trapping power to offset climate change. “[Soil] repres ...  Show more

Original broadcast date: March 11, 2022. From our planet's underwater caves to its ancient soils, there are entire worlds right beneath our feet. This hour, we explore the subterranean forces that shape our lives above the ground. Guests include cave diver Jill Heinerth, death ca ...  Show more