Today

Climate Science Gets a Seat in Congress with Eric Sorensen

Representative Eric Sorensen of Illinois brings his background as a meteorologist to the halls of Congress, advocating for science-based policy amid intensifying climate threats. In this episode, he shares how personal experiences with extreme weather shaped his career and why pr ... Show More

17m 59s

Aug 6

Former NASA Leaders Are Sounding the Alarm on Budget Cuts

The White House has proposed sharp cuts to NASA’s science budget, potentially reducing it to historic lows not seen since the early Apollo era. Beyond space exploration, NASA’s work influences daily life—from accurate weather forecasting to essential climate data for agriculture. ... Show More

16m 33s

Aug 4

Russia’s Earthquake, Wonders of Walking and Surprising Plant Genetics

Host Rachel Feltman talks with Andrea Thompson, Scientific American’s senior sustainability editor, to discuss the massive Russian earthquake and the reason it produced such relatively minor tsunami waves. Plus, we discuss the lowdown on the Environmental Protection Agency’s move ... Show More

11m 2s

Jul 23

What to Read on the Beach This Summer

Scientific American has been reading, reviewing and recommending books for more than 100 years. These days Brianne Kane, our resident reader, is in charge of organizing our book recommendation lists to help science-minded people find the perfect read, including novels. She joins ... Show More

10m 31s

Jul 21

Time Travel to Tide Pool 101 from Our July 1925 Issue

Time travel to an introduction to tide pools, the start of commercial air travel and an intercontinental aviation museum dispute. Host Rachel Feltman is taking a look at a 1925 issue of Scientific American for this archival episode. If you don’t find the past to be a blast, don’t ... Show More

8m 57s

Jul 28

Summer Meteor Showers, Short Summer Days and Ancient Arthropods

If last Tuesday seemed to fly by, you can blame the rotation of Earth. Try to look up this week to see the Southern Delta Aquariids and the Alpha Capricornids meteor showers. Plus, we discuss FEMA cuts and ancient arthropods. Recommended reading: Texas Failed to Spend Millions in ... Show More

8m 49s

May 30

Are You Flourishing? This Global Study Has Surprising Takeaways

Are you flourishing? It’s a more understated metric than happiness, but it can provide a multidimensional assessment of our quality of life. Victor Counted, an associate professor of psychology at Regent University and a member of the Human Flourishing Program at Harvard Universi ... Show More

18m 16s

May 21

Do Mitochondria Talk to Each Other? A New Look at the Cell’s Powerhouse

Mitochondria are known as the powerhouse of the cell—but new research suggests they might be far more complex. Columbia University’s Martin Picard joins Scientific American’s Rachel Feltman to explore how these tiny organelles could be communicating and what that might mean for e ... Show More

27m 4s

Jun 18

Why Your Gut Loves a Good Workout

Host Rachel Feltman explores the surprising connection between exercise and the gut microbiome with Scientific American contributing editor Lydia Denworth. Drawing from her latest reporting, Denworth explains how aerobic activity can influence the microbial ecosystems in our dige ... Show More

9m 51s

Jan 2025

Ep 461: Backlist books that make your brain fizz

Many of the readers we talk to tune into the seasons to inspire their next read, and today's guest has a twist on the usual seasonal reading dilemma: Nell Cavallo is joining Anne today from midsummer in Sydney, Australia. When Nell sent in her guest submission for the show, she t ... Show More

52m 24s

Jun 11

What ‘Immortal’ Jellyfish and Famously Old Tortoises Tell Us about Aging

Animals’ lifespans can be far shorter or much longer than those of humans. Scientists are researching creatures such as “immortal” jellyfish and long-lived tortoises and digging deep into genetic codes to figure out why animals age—and what we can do to improve longevity in human ... Show More

14m 27s

Jun 11

What ‘Immortal’ Jellyfish and Famously Old Tortoises Tell Us about Aging

Animals’ lifespans can be far shorter or much longer than those of humans. Scientists are researching creatures such as “immortal” jellyfish and long-lived tortoises and digging deep into genetic codes to figure out why animals age—and what we can do to improve longevity in human ... Show More

14m 27s

Jun 9

Cosmic Coin Toss, Record Heat in the North Atlantic and Living Worm Towers

New simulations suggest the Milky Way’s long-predicted collision with Andromeda might be less of a cosmic certainty than we thought. A massive marine heat wave in 2023 sent North Atlantic temperatures soaring—equal to two decades’ worth of typical warming—with weak winds and clim ... Show More

8m 51s