On Today's Podcast

Sargassum superblooms are choking coastlines around the Atlantic

A free-floating seaweed called sargassum is exploding in the Atlantic ocean, clogging up coastlines from West Africa to the Caribbean.

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October 9, 2026

A new mRNA flu vaccine promises a closer match to circulating flu strains. An estimated 2 billion tons of dust are lofted into the air each year, affecting ecosystems, the atmosphere, and the weather. Plus artist David Byrne sits down with Flora for a conversation on why some ideas go dormant, and then reawaken. And, a Cephalopod Week finale featuring death spirals, cannibalism, and more.

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Teacher Feature: Ethnobotanist Tom Carlson

Science Friday pays tribute to a great science teacher. “Office hours are some of my favorite hours of the week,” says Tom Carlson, a medical doctor, ethnobotanist, and instructor of 1700 students annually at the University of California, Berkeley.

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Desktop Diaries: Daniel Kahneman

“I have always emphasized the willingness to discard,” says psychologist and Nobel Laureate Daniel Kahneman. That philosophy works on two levels—forget desk trinkets, Kahneman doesn’t have a desk—and he doesn’t hoard ideas either he says.

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