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We saved gray whales from extinction. Why are so many dying again?
In 1999 hundreds of gray whales washed up along the west coast of North America. More in 2000. They lost an estimated 25% of their population. But th…
1 month, 3 weeks ago
Sibling order may affect sexuality and identity
Today, guest host Selena Simmons-Duffin is exploring a detail very personal to her: How the number of older brothers a person has can influence their…
1 month, 3 weeks ago
What crocodile bones teach us about dinosaurs
Episode 1443
Paleontologists have often determined how old a dinosaur was by counting the growth rings in its bones. Just like with trees, it was thought that eac…
1 month, 3 weeks ago
Teen sleep is getting wrecked by more than just phones
Episode 1442
Teens aren’t getting enough sleep! And a two-decade study suggests it’s getting worse. Scientists found that the number of high schoolers getting ins…
1 month, 4 weeks ago
The global fallout of RFK Jr's vaccine policies
In his role as Secretary of Health and Human Services, Robert F. Kennedy, Jr. is changing how the United States approaches vaccines. But those change…
2 months ago
Will Punch the baby monkey be okay?
Episode 1440
If you’ve been on the internet in the past few weeks, chances are you’ve seen him: a tiny gray-brown monkey dragging a big, stuffed orangutan around …
2 months ago
Spring ice is thawing earlier in lakes. What does that mean for life below the surface?
Lakes are freezing later, thawing earlier and experiencing dramatic temperature swings in between. And all that throws off the delicate balance of li…
2 months ago
The dangers of warming winter lakes
Episode 1438
Over half a billion people live by lakes that freeze over in the winter. But as the climate warms, those lakes are losing whole days of ice cover. Wi…
2 months, 1 week ago
Screen time is up for grandma and grandpa
Episode 1437
Folks over 65 are putting in a lot of screen time. In 2019, the Pew Research Center found that people 60 years and older spend more than half their d…
2 months, 1 week ago
Could our trash become local fishes’ treasure?
Episode 1436
Helicopters. Cargo containers. Old washing machines. For years, fishermen dumped this waste into the Gulf of Mexico. But they weren’t just trying to …
2 months, 1 week ago