On Today's Podcast
Into The Woods, From Chestnut Genetics To Tiny Forests
Genetic research could speed the restoration of the American chestnut tree. Plus, "rewilding" small spaces with fast-growing miniforests.
Listen NowFebruary 27, 2026
A new simulation shows large amounts of hydrogen in our planet’s core. Scientists report on what they found in 290-million-year-old vomit. Plus, a comedic play and a 20-year neurology study explore what we can do to prevent dementia and cognitive decline. And, a federal law aims to close the legal loophole that lets stores sell THC products from hemp.
17:26
Tracking Your Local (Space) Weather
How—and why—scientists keep a close eye on the activity of our nearest star.
12:14
NASA Budget Cuts Impact Earth-Based Science
The House Committee on Science, Space, and Technology passed a bill that would cut NASA’s earth science budget by roughly 20 percent.
17:23
Emoting With Emoji
A look at what the rise of emoji says about online communication.
10:52
A Tiny, Living Identification Badge: Your Microbiome
The specific combinations of strains of bacteria that live on and in a person can be used to identify an individual—even up to a year later.
5:50
Chicken Beaks and Dinosaur Snouts
Scientists traced the evolution of dinosaurs to birds through the beak of a chicken.
77:37
Science Friday, Live From Huntsville
Hear the full show as Ira and Science Friday take the stage at Huntsville, Alabama’s own U.S. Space & Rocket Center.
Spot the Sunspots
Use binoculars or a telescope to identify and track sunspots. You’ll need a bright sunny day for this DIY Sun Science Activity from Lawrence Hall of Science.
Make a UV Detector
On a bright, sunny day, use tonic water to detect ultraviolet (UV) light from the Sun in this DIY Sun Science Activity from Lawrence Hall of Science.
12:15
The Oldest Bird, a Distant Galaxy, and the Beard Microbiome
Rachel Feltman of The Washington Post joins us for a roundup of her top science stories this week.
17:10
Tales From ‘Big Pig’
Barry Estabrook’s latest book, “Pig Tales,” is a journey through the good, the bad and the ugly of hog farming.
9:46
The Science Club Looks Into the Heart of the Sun
This season’s Science Club challenge: Tell us what the sun does.
6:26
Flash of the Disco Clam
Reminiscent of the flashy dance halls and shag carpets of the ’70s, the disco clam flaunts frilly tentacles and its very own light show.
12:17
MicroRNA and Cancer Therapeutics
Could ingested plants be used as a delivery system of therapeutic microRNAs?
17:18
Eugenia Cheng: How To Bake Pi
In her new book How to Bake Pi, mathematician Eugenia Cheng cooks up digestible math lessons on number theory to topology.
14:13
Charting Music’s Big Revolutions
An evolutionary biologist brings big data to bear on 50 years of pop music history.
2:41
Animal Moms: From Lion to Mouse
Several scientists share stories of their favorite Animal Kingdom matriarchs with Science Friday, just in time for Mother’s Day.
From Feed Lot to Pasture: The State of U.S. Pork
An excerpt from “Pig Tales: An Omnivore’s Quest for Sustainable Meat.”
How Math is Like Baking: You Just Need a Recipe
An excerpt from “How to Bake Pi” by Eugenia Cheng.
#ExplainTheSun
What does the Sun do? Tell us, using the hashtag
#ExplainTheSun
What Does The Sun Do? Solar Experts Respond
Experts with a vested solar interest weigh in on the sun’s various starring roles.