On Today's Podcast
Why cannabis’s health effects are so hard to study
Cannabis seems to be everywhere, in many forms. We're learning more about its effect on teenage brains and its usefulness as a therapeutic.
Listen NowSeptember 11, 2026
Scientists used fossil records and AI tools to reconstruct a soundscape of a Jurassic forest. Shorter courses of antibiotics may actually reduce antimicrobial resistance. Plus, a new study found a group of genes associated with fibromyalgia. And, as black bears return to their historic ranges across the U.S., human encounters are increasing. How can bears and people live in harmony?
Spacecraft Records ‘Chorus’ of Space Sounds
What do Earth’s radiation belts sound like? Wonder no more.
New Program Spurs Solar Development on Public Land
The plan identifies 285,000 acres of public land in six Western states for solar energy projects.
When Infections ‘Spillover’
Will the next human pandemic start in an animal? Writer David Quammen talks about Ebola, HIV and other diseases that ‘spillover’ from animals to humans.
How One Guy Raised $1.3 Million for a Tesla Museum
The money will be used to turn Nikola Tesla’s final laboratory into a museum.
Learning From the Things That Annoy Us
Why you have to overcome irritation in order to examine it.
Geek My Pumpkin
Maniac Pumpkin Carvers Marc and Chris carve hundreds of pumpkins each fall, which go for a few hundred bucks and rarely end up on stoops. They gave us some tips for how to bring our pumpkins to the next level this Halloween.
The Secret to Making Ultrastrong ‘Gorilla Glass’
Gorilla Glass isn’t unbreakable. But it’s twice as durable as regular glass—at half the thickness.
Feds to Debate Marijuana as Medicine
A federal appeals court is set to hear the scientific case for marijuana’s therapeutic effects.
Tracking the Ozone Hole, as It Waxes and Wanes
The Antarctic ozone hole reaches its largest size by late September—but then it disappears again.
Enter an Optical Illusion
Gravity doesn’t behave as expected in a new art exhibition in New York City.
Fifty Years Ago, a Bright Idea
Inventor Nick Holonyak describes the creation of the visible light-emitting diode, or LED.
2012 Nobel Prizes Recognize Pioneering Science
This year’s Nobel laureates changed our understanding of our bodies and the world around us.
Curiosity Rover Gets the ‘Scoop’ on Mars
Did the rover shed a piece of plastic while collecting its first scoop of Martian soil?
Step Into an Optical Illusion
In Demon Hill, the rules of gravity don’t apply as you expect them to. Down is not down, exactly. The room, created by Los Angeles artist Julian Hoeber and on display at the Harris Lieberman Gallery in New York, is modeled on a stock roadside attraction.
Starfish Blamed For Great Barrier Reef Coral Loss
Crown-of-thorns starfish are partly to blame for the Great Barrier Reef’s alarming loss of coral cover.
What Your Genes Can Tell You About Your Memory
Researchers are studying how gene regulation influences memory.
How Astronomers Measured The Edge Of A Black Hole
The black hole resides at the center of a galaxy located 50 million light-years from Earth.
From Stem Cells to Eggs (and Beyond)
Stem cells can be turned into heart, liver, and brain cells—but what about a whole new organism? A study in Science explains the transformation from stem cell to egg to mouse pup.
Why Online Maps Sometimes Lose Their Way
Mapping streets is easy. The trick is pinning down businesses and giving accurate turn-by-turn directions.