May 2, 2025
An astronomer explores the cosmos and the limits of what science can test. Plus, how the mysterious properties of pasta—like how it bends, coils, and breaks—have been tested by physicists for decades. And, millions of years ago, iguanas somehow got from North America to Fiji. Scientists think they made the trip on a raft of fallen vegetation.
Introvert: The Invention Of A Type
It all started with a falling out between two famous psychologists.
11:57
What Next For The Fully Vaccinated?
In the U.S., 95 million vaccine doses have been administered. The CDC put out guidelines for people who are fully vaccinated.
11:34
Spinning Glass To See The Stars
How do you make an eight meter-wide mirror? Give it a spin.
16:42
It’s Time To Rethink Shark Sex—With Females In Mind
Sharks and rays often have multiple dads per litter, a strategy known as multiple paternity. Now, evolutionary ecologists are trying to understand why.
12:12
Learning From World Of Warcraft’s Virtual Pandemic
In 2005, a software bug triggered a pandemic in the video game World Of Warcraft. It ended up foreshadowing many aspects of today’s COVID-19 pandemic.
17:29
Why Is Daydreaming Difficult For Grownups?
Daydreaming is harder for adults, who often require a prompt to think about something pleasant.
16:32
Can We Geoengineer Our Way Out Of A Natural Disaster?
From electrifying rivers to dimming the sun, a new book explores geoengineering as a potential solution to environmental disasters.
5:31
What Went Wrong With Jackson, Mississippi’s Water?
The problem lies in the city’s outdated water infrastructure.
El sexo no es binario, y deberíamos dejar de pretender que lo es
Es hora de que la legislación y la educación reflejen el sexo como un espectro con opciones ilimitadas.
Mercury: How It Made Cats Dance
Mercury has captivated humanity for ages. But what happens when it invades a town?
12:10
What Does Johnson & Johnson’s Shot Mean for Our Vaccine Timeline?
Plus, the latest on the U.S.’s homegrown COVID-19 variants and Google’s data tracking changes.
16:56
Wisconsin Oversteps In Wolf Hunt
After gray wolves were removed from the federal endangered species list, hunters in Wisconsin killed nearly twice the allowed quota of gray wolves.
3:29
In An Uncanny Valley, Art Evolves
The website ArtBreeder lets you blend, tweak, and evolve existing artworks using biological principles.
12:01
When Is It Time To Say Goodbye?
Choosing when to end a conversation is a perplexing psychological problem.
17:19
Talking Through The History Of Our Teeth
Ever wonder why we lose our teeth? Biological anthropologist Shara Bailey has the answers.
17:09
A Look Back At The Time Of The Tasmanian Tiger
Wildlife enthusiasts’ hopes were recently raised by a video of what looked like two adult thylacines, better known as the extinct Tasmanian tiger.
13:37
Oregon Just Decriminalized Small Amounts of All Drugs. Now What?
Small amounts of all drugs are now legal in Oregon—but the state’s addiction and recovery community are still debating if it’s a good idea.
How You Can Become A Better Bystander
Researchers say that understanding the psychology behind the bystander effect can help increase the odds of stepping in during an emergency.
Alcohol: History’s Favorite Mind-Bending Substance
And the time the U.S. government went to unthinkable lengths to pry it away.
How The Age Of Mars Rovers Began
Perseverance is the fifth rover to land on the Red Planet. NASA scientists remember Mars Pathfinder’s Sojourner—the 90s experimental endeavor that started it all.