On Today's Podcast
How Have Gray Wolves Fared 30 Years After Reintroduction?
Humans drove wolves nearly to extinction in the American West. Reintroducing them in 1995 was, and still is, controversial.
Listen NowAugust 22, 2025
Humans drove wolves nearly to extinction in the American West. Reintroducing them in 1995 was, and still is, controversial. Plus, the FDA and HHS plan to eliminate petroleum-based food dyes as part of the MAHA agenda. What does science say about their effects on health? And, astronomers found a supernova whose lighter outer layers had been stripped away, revealing an inner shell rich in silicon and sulfur.
17:30
The Spaceships At The End Of The Solar System Turn 40
From solar explorers to record bearers, scientists and the public reflect on the many lives of Voyagers 1 and 2.
14:09
What Microbes Are Hiding In Your Home?
From slime in your shower head to fungi in your drywall, there’s no escaping the microbiome of the great indoors.
2:34
‘That Is Unreal!’ Experiencing The Total Solar Eclipse
On August 21st, millions of Americans stopped what they were doing and looked up. Science Friday was there.
10:46
Oh, Really? How Our Brain Turns Pitch Into Meaning
Researchers mapped the neurons that pick up on pitch in spoken language.
23:54
What Would An A.I.-Influenced Society Look Like In 10,000 Years?
Physicist Max Tegmark contemplates how artificial intelligence could reshape work, justice, and society in the future.
11:56
Running The Numbers On A Transition To Renewable Energy
A new study maps out the path for 139 countries to switch entirely to renewable energy sources by 2050.
Water, Water, Everywhere, So Make Some Beer To Drink
Amsterdam has two problems: It can’t seem to stop coming up with new types of beers, and it floods easily. Why not kill two birds with one stone?
Could Climate Change Really Help Farmers?
Rep. Lamar Smith says activists are ignoring the “positive impacts” of climate change for agriculture—but those positive impacts are overstated.
A Theoretical Physicist Dives Into Black Holes
Priyamvada Natarajan tells why she fell for black holes, how they shape galaxies, and her favorite fictional depictions of them.
Evolution Happens More Quickly Than You Think
Biologist Jonathan Losos tells the story of two biologists who witnessed evolution unfold before their eyes.
8:15
Supercomputers In Space, Alternative Cancer Therapies, And A Frozen Fruitcake
NASA is preparing a year-long test to examine how off-the-shelf supercomputers might withstand radiation in space.
3:59
Could Portraying Teen Suicide Spread The Wrong Kind Of Awareness?
Did ‘13 Reasons Why’ raise awareness or encourage copycats? A researcher weighs in.
16:04
For A Volcanic Prediction, Gaze Into The Crystalline Debris
Researchers are using magma trapped in crystal structures to study the life beneath volcanoes.
12:05
Does Faster Drug Approval Lead To Better Medicine?
Researchers say fast-tracked drugs are not being rigorously tested after the approval process.
26:38
Inevitable Or Accident? Tackling The Big Questions Of Evolution
Modern evolutionary science has some advantages Darwin didn’t. Here’s what we’re learning from DNA, experimentation, and more.
8:01
How The Blind Can ‘Watch’ A Solar Eclipse
Instead of pinhole cameras and solar filter lenses, researchers are using sound and vibrations to describe the scenes on August 21 to blind and low vision eclipse chasers.
17:16
Why Doesn’t Cherry Candy Taste Like Real Cherries?
Today’s fake flavors owe more to the chemistry of the past than their real fruit counterparts.
Summing Up The Skyscraper Problem
How do you figure out how much it will cost to wash the windows of a building “n” stories high? Try using consecutive sums or the quadratic equation!
When An Eclipse Meant The End Of The World
Today, a solar eclipse may be a thing of beauty, but it historically has caused panic around the world.