Episode (200)
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When a dolphin whistles, what does it mean?
Apr 15, 2026What are dolphins actually saying with their iconic, high-pitched whistles? Dolphin communication researcher Laela Sayigh is trying to find out. She’s been compiling a database of whistles from a pod ...
Inside the lives of astronauts’ families
Apr 14, 2026“This was not easy, being 200,000+ miles away from home. Like before you launch, it feels like it's the greatest dream on earth. And when you're out there, you just wanna get back to your families and...
Green stuff, brown stuff: Secrets to a great compost pile
Apr 13, 2026If you’re a gardener, thinking about getting your soil in shape probably means thinking about compost. But composting can be a mysterious process. What can go into the pile? How do you balance carbon ...
Why so many studies can’t be replicated
Apr 11, 2026How do we know what we know? That's where science comes in—it gives us a method for testing our ideas and getting trustworthy results. But some researchers have warned that many scientific studies can...
How a sound designer gave an alien its voice (and 250 words)
Apr 10, 2026Movies may be a largely visual medium, but sound plays a huge role in setting tone, creating new worlds, and fleshing out characters. Sound designer Erik Aadahl has brought some of Hollywood’s iconic ...
Can GLP-1 drugs treat addiction?
Apr 09, 2026GLP-1 drugs like Ozempic, Wegovy, and Zepbound are prescribed for weight loss, diabetes, and blood-sugar management. But as more people use them, patients are reporting a decrease in cravings for drug...
What a sperm whale’s birth tells us about whale culture
Apr 08, 2026Scientists recently published the first footage of a sperm whale birth, and it was a crowded ordeal. More than 10 other sperm whales were there for the delivery and helped keep the baby whale afloat—a...
Is the US backing out of the electric vehicle market?
Apr 07, 2026Last year, Chinese carmaker BYD sold millions of electric vehicles, overtaking Tesla to become the world’s biggest seller of EV cars. And BYD cars weren’t just for the Chinese market. They went to Eur...
Can algae help pull microplastics out of our water supply?
Apr 06, 2026Microplastics and nanoplastics have been found just about everywhere: in our soil, our bodies, and our water. Recent research involving bioengineered algae has had success in capturing and removing mi...
Artemis II test flight heads toward the moon
Apr 03, 2026On Wednesday, NASA’s Artemis II mission launched, kicking off on a roughly 10-day trip that will carry four astronauts around the moon and back to Earth. The flight is another test of the Space Launch...