Science Friday

by Science Friday and WNYC Studios
Covering the outer reaches of space to the tiniest microbes in our bodies, Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff.
Episodes

A Nagasaki survivor and physician recounts his life's work
Dr. Masao Tomonaga was 2 when Nagasaki was bombed. In August 2025, he spoke with Ira Flatow about a lifetime caring for fellow survivors.

What do people eat? Plant and animal DNA in sewage provide clues
DNA signatures of plant and animal species remain behind even after they’ve been eaten, digested, excreted, and flushed down the toilet.

Why is brain cancer so hard to treat?
A pioneer of cancer neuroscience explains how brain cancer develops, the role of the nervous system, and what might lead to new treatments.

How can astronaut food be better?
As NASA plans for longer spaceflights to the moon and Mars, a better menu is important both nutritionally and psychologically.

The reality of living with extreme heat in India
Extreme heat is hitting India hard. One physician is trying to understand the health impacts, and help Indians prepare for future heat waves.

Tracking shark populations, one shark at a time
A Florida research team catches and releases about 600 sharks a year to monitor their populations and study the health of marine ecosystems.

The Black women codebreakers of the Cold War
A new book tells the story of Black women cryptologists who deciphered Soviet telegrams intercepted during the early days of the Cold War.

Asha de Vos’ journey from deck hand to marine science leader
In a 2025 story, Asha de Vos tells how she became the first Sri Lankan to earn a PhD studying marine mammals, then built a biology program.

Peering through dust clouds to the center of the galaxy
Andrea Ghez developed a way to peer through dust clouds and observe stars orbiting the supermassive black hole at the center of the Milky Way.

Why a paper about relocating coastal communities hit a nerve
In a recent analysis, scientists argued that New Orleans should relocate. But planning for a city's future is about much more than geography.

How do you piece together what life was like in Pompeii?
Archeologists are piecing together the lives of ordinary Pompeii residents, from a fish sauce entrepreneur to an enterprising businesswoman.

Hold the lettuce: Updates on the 'explosive' cyclospora outbreak
The cyclospora outbreak causing diarrhea for thousands has been linked to shredded lettuce. What's making it so hard to pinpoint a source?

A space telescope launch + Alvin submersible check-up
The Nancy Grace Roman Space Telescope is slated for launch in August. Plus, routine maintenance for the Alvin deep-sea submersible is no joke.

How does a tick bite cause a red meat allergy?
Cases of alpha-gal syndrome, a red meat allergy that comes from a tick bite, are climbing fast. But why does it only develop in certain people?

What will our reaction be when we discover aliens?
The sci-fi movie “Disclosure Day” predicts that our reaction to intelligent alien life will be chaotic. But what does the science say?

Beautiful botflies, luscious leeches, and the wonder of parasites
Sure, botflies are gross, but they also know just how to hitch a ride on a camel sneeze. An entomologist celebrates the world of parasites.

China's booming biotech, from a brain implant to drug discovery
China's biotech industry is on a rapid rise, with the first approved brain-computer interface and massive growth in drug discovery.

Reconnecting with the night sky and reining in light pollution
Writer Craig Childs biked from the brightest sky to the darkest in our Book Club pick "The Wild Dark." Plus, the latest on light pollution.

Amid shifting politics, can we build stable global health systems?
Virologist, policymaker, diplomat: Dr. John Nkengasong discusses the current Ebola outbreak, and how public health is inherently political.

How does the gut-brain connection work?
Two experts at the forefront of untangling the gut-brain connection explain its role in IBS, Parkinson’s, and depression.