On Today's Podcast
An ER Doctor Reflects On Hurricane Katrina, 20 Years Later
Dr. Erica Fisher was working at Charity Hospital when it flooded, trapping her and 1,600 other people inside during Hurricane Katrina.
Listen NowAugust 29, 2025
Archaeologists are taking another look at tattoos on preserved corpses and verifying ancient techniques with modern tattoo artists. Plus, an ER doctor reflects on Hurricane Katrina, 20 years later. And, we’re pulling a few of our favorite stories about the science of ice cream out of the freezer.
17:13
‘Underground Atlas’ Shows How Vulnerable Fungal Networks Are
Underground fungal networks are crucial to life on Earth. But a new map shows that less than 10% of fungal hotspots are in protected areas.
17:20
Can The Rise In Solar Power Balance Out Clean Energy Cuts?
Solar power adoption has been rising fast. Amid recent federal efforts to limit clean energy, will it make a dent in our climate impact?
Solar Energy Is Not Just Good For The Earth—It’s Practical
“Solar and wind power are almost too cheap for our economy,” says author Bill McKibben, arguing the switch from fossil fuels must happen soon.
Lithium May Have A Role In Causing—And Treating—Alzheimer’s
This important breakthrough and other research projects have lost funding because of Trump’s cuts to the NIH.
Why Self-Driving Cars Are The Perfect Heel In ‘The Naked Gun’
Car crashes aren’t very funny. Unless, apparently, it’s a self-driving car. Researchers on public perception of these new vehicles explain why.
A Nagasaki Survivor And Physician Recounts His Life’s Work
Dr. Masao Tomonaga was 2 years old when the US bombed Nagasaki. Eighty years later, he reflects on a lifetime of treating other survivors.
Breast Milk Is Understudied. What Are Scientists Learning Now?
There are a lot of claims about breast milk, but we know little about this sophisticated substance. Two researchers update us on the latest.
17:12
The Uncertain Science Behind What We Understand As ‘Truth’
In a new book, mathematician Adam Kucharski traces our relationship to truth, from the ancient Greeks to our AI reality.
12:07
Are Cold Plunges Actually Good For You?
A researcher who studies the effects of extreme cold on the body throws a few drops of icy water on the social media trend.
16:36
Why Is Working Out Good For Your Mental Health?
A workout can be a mental health boost—or a psychological strain. Two exercise researchers discuss what physical activity does to your mind.
17:04
65 Genomes Expand Our Picture Of Human Genetics
Researchers closely examined the genomes of 65 individuals to paint a more complex, and more complete, picture of human genetic diversity.
When ‘Proof’ Isn’t Enough
In 1990, Marilyn vos Savant riled up scores of mathematicians with her solution to the “Monty Hall Problem.” But she was right.
EPA Seeks To Revoke Scientific Basis For Greenhouse Gas Rules
The “endangerment finding” is the basis for regulations on emissions from cars, power plants, and more. Plus, a robot performs surgery.
17:26
A Reptile’s Baffling Backfin And The Math Of Dashing Dinos
Paleontologists identified a new ancient reptile appendage. And, how fast did dinosaurs run? A longstanding equation for dino speed may be wrong.
12:18
NASA Employees Protest Cuts In Formal Dissent Letter
Retired astronaut Cady Coleman explains why she felt compelled to sign “The Voyager Declaration.”
17:24
Where Are We On The Science Of Menopause?
Menopause research began in earnest about 30 years ago. Two experts want you to know that we’ve actually learned a lot—and it’s not all bad.
12:03
EPA To Shut Down Scientific Research Arm
The EPA’s Office of Research and Development studies things like PFAS, air pollution, and chemical safety to develop environmental standards.
16:41
Parker Solar Probe Captures Closest-Ever Images Of The Sun
The newly released images from a December flyby are so detailed that scientists can see explosions and the flow of solar winds.
Why Do Cyclists Shave Their Legs?
Does it make you faster—or just help you fit in? We asked four cycling experts what leg-shaving actually does for athletes.
What The Sigma Is Algospeak?
You might think sticking out your gyatt for the rizzler is chopped, but “Algospeak” author Adam Aleksic says we should let Gen Alpha cook.