On Today's Podcast

What is the Kelvin wave on the West Coast?

El Niño is driving a Kelvin wave up the West Coast, raising sea levels. What is it, and how does it work?

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On Today's Broadcast

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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Segment

14:52

SciFri Celebrates π

This year holds an unusually special treat for enthusiasts of the constant π: March 14, 2015 approximates π not just to the usual three digits (3.14) but to five: 3.14.15.

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Segment

9:03

Dawn Arrives at Ceres

Mission director and chief engineer Marc Rayman gives an update on the Dawn mission, scheduled to arrive in orbit around dwarf planet Ceres this week.

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