On Today's Podcast
Artemis II test flight heads toward the moon
The Artemis II mission has launched, and its four astronauts are en route to the moon for a lunar flyby.
Listen NowApril 3, 2026
The Artemis II mission has launched, and its four astronauts are en route to the moon for a lunar flyby. Plus, one scientist wants to put bioengineered algae to work cleaning microplastics out of wastewater. And, you probably shouldn’t spend time on your phone while you’re on the toilet, and other pooping tips from a gastroenterologist.
8:58
For the Lowly Incandescent Bulb, a Ray of Hope
Physicists have been able to “recycle” some of the incandescent light bulb’s wasted heat and emit it as visible light, boosting efficiency.
The Week-After Science Friday Quiz! 1/12/16
How much do you know about El Niño and self-driving cars?
Opening the Memory Bank
The New York Public Library just made it easier for the public to access thousands of digitized high-resolution items as part of an effort to preserve our cultural history in the Internet Age.
11:54
HIV Prevention With PrEP, an Ancient Microbiome, and Freezing Fat
A new study shows that nearly two-thirds of new HIV infections in gay and bisexual men in the Netherlands could be prevented with pre-exposure prophylaxis.
17:02
Tending to Your Winter Garden
Tips for guarding your garden against the winter chill.
4:57
These Outmoded Scientific Instruments Are Also Things of Beauty
Steve Erenberg collects early scientific and medical instruments that are also things of beauty.
12:10
Will a ‘Godzilla El Niño’ Put a Dent in the Drought?
Despite the big splash recent precipitation has made with residents of the West, current snowfall numbers are just about average, says JPL snow hydrologist Tom Painter.
Why We Need Body Fat
Body fat is a highly specialized organ, critically important for health and longevity.
17:11
Always Hungry? Your Fat Cells May Be To Blame
Certain diets cause fat cells to suck up too much fuel, says David Ludwig, author of the new book “Always Hungry,” leaving the rest of the body hungry.
28:37
Viewing the Road Ahead for Self-Driving Cars
Imagine a future in which all cars can drive themselves. What might that do to our cities, towns, and society?
High Pressure In The Deep Ocean
Pressure is a huge challenge for deep ocean explorers. Learn how pressure changes with depth and explore its effects on compressible solids in this series of experiments, demonstrations, and real-life data collected aboard the E/V Nautilus.
10 Questions for Alan Guth, Pioneer of the Inflationary Model of the Universe
The theoretical physicist discusses the expanding universe and the infinite possibilities it brings.
The Week-After Science Friday Quiz! 1/5/16
How much do you know about the early days of the personal computer?
Things of Beauty: Scientific Instruments of Yore
Brimming with Victorian medical masks, surreal anatomical models, and futuristic test prostheses, Steve Erenberg’s store/museum in Peekskill, New York offers a tour of long-forgotten devices.
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.