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.
21:06
From the Origin of Art, to the End of Humanity
In 2011, a novelist, a filmmaker, and a physicist joined Ira for a wide-ranging conversation about art, science, and the mysterious place where they intersect.
17:25
Two Cosmic Explorers Investigate the World Within Us
In this archival interview from October 9, 1992, Carl Sagan and Ann Druyan talk about their book “Shadows of Forgotten Ancestors: A Search for Who We Are.”
29:27
A Look Back at the Future of Personal Computing
Tech industry observer Esther Dyson looks back at predictions she made about the future of personal computing, circa 1992.
25:42
SciFri Live: Superhero Quiz
Physicist James Kakalios tests the superhero science smarts of teams from 3M and the CONvergence sci-fi convention.
Catching A Break
How a self-taught meteorologist turned a call-in surf forecasting company into a global enterprise.
12:17
Stalking The Wilds Of Mexico For A Christmas Classic
Clemson University floriculturist Jim Faust arrived in Manzanillo, Mexico, with an unusual mission: to stalk a population of wild poinsettias growing in their native habitat.
17:17
‘Findings’ Collects Science’s Best One-Liners
Harper’s magazine’s Findings column is a news ticker for science’s most fascinating—and flummoxing—facts.
10:37
How ‘Super Mario’ Could Lead to a Super Memory
Scientists find that 3D games boost memory.
6:11
Jump In Jerboas!
What can the long hindlimb of the jerboa (“a fuzzy rodent ‘T-Rex'”) tell us about the evolution of human bones?
46:43
Year in Review: 2015
A panel of science and technology journalists join Ira Flatow to discuss the biggest news in these fields during the last year.
The Best of Science Friday, 2015
SciFri staffers pick their favorite stories and activities from the year.
Jump In Jerboas!
These adorable critters bounce about on long, springy legs—appendages that just might help us better understand and manipulate the growth of human bones.
Boughs Of Folly: Science Blunders In National Lampoon’s ‘Christmas Vacation’
What can we learn from the Griswolds’ many mishaps?
11:52
Stranded Sea Lions, Warming Lakes, and Floating Schools
Sea lions struggle to navigate after domoic acid exposure, and communities around the world try to innovate in the face of climate change.
21:56
Backing Up the World Wide Web
The average lifespan of a web page is 100 days. How can we archive quickly changing web and digital content?
10:32
So You Want to Be an Astronaut?
As NASA begins “astronaut candidate” selection, Administrator Charles Bolden explains what it means to have the “right stuff.”
12:00
What If There Were Webcams in ‘Home Alone’?
CNET editor Ry Crist discusses the increasing options of do-it-yourself security devices.
17:14
Do Scientists Have the Duty to Speak Out?
The popular anti-terrorism slogan, “If you see something, say something,” asks citizens to speak up if they see a potential threat. But does that apply to scientists?
7:19
Cell Implant Treats Inflammation Before It Starts
Designer cells detect inflammatory compounds that foreshadow an autoimmune attack, pumping out anti-inflammatory compounds in response.
9:06
Keeping Tabs on ‘Hate’ Through Google Searches
Google searches could gauge public sentiment on controversial views that polls and surveys can’t always measure.