Broadcasts

Two experts at the forefront of untangling the gut-brain connection explain its role in IBS, Parkinson’s, and depression. Plus, writer Craig Childs biked from the brightest sky to the darkest in our Book Club pick “The Wild Dark.” And, while fog itself is not alive, researchers found that it can contain an ecosystem, including bacteria that eat pollutants.

What did science look like in America 250 years ago? Sure, there was Benjamin Franklin and his kite. But many other natural philosophers were asking big questions. Plus, researchers have engineered an artificial cell, hoping to build a customizable chassis for chemical production. And, Lake Xochimilco in Mexico City is the only place where axolotls live in the wild, and they face growing threats.

The chlorine in swimming pools reacts with our urine and sweat, producing volatile chemicals that are potentially harmful to breathe. A new pancreatic cancer drug doubles survival times. Plus, as NASA prepares for long-term moon bases, scientists are working on how to grow food in lunar soil and deal with razor-sharp moon dust. And, how different types of laughter originate in the brain.

The FDA approved the first new sunscreen ingredient in over 20 years—one that’s long been used around the world. What took so long? A linguist breaks down “sports announcer talk,” from inverted speech to the world-famous goal roar. What do musical daydreams tell us about our brains? Plus, a massive whale graveyard, zombie sea cucumber parts, and the case for loving scorpions.

How poison dart frogs deal with their kids asking for snacks, and other parenting inspiration from the animal kingdom. Plus, do sugary drinks really cause more intense hangovers? Is wine both bad for you and good for you? Experts take on the chemistry of happy hour. And, the 2026 World Cup will be infused with AI. How will it change the beautiful game? And, what it takes to get perfect grass into 16 stadiums.

Up to 94% of Neanderthals suffered at least one traumatic injury in their lifetime. How did their healthcare keep up? Plus, a Nigeria-based molecular biologist breaks down the current Ebola outbreak, and what’s needed to improve disease monitoring across Africa. And, despite the scorching, toxic conditions on the planet Venus, some scientists want to look there for life—in the clouds.

On the release of Pope Leo’s encyclical about AI, we peek inside the Vatican academy that helps inform his scientific views. Plus, cell and GPS data show how animals react to human presence—and weather radar data reveal 100 trillion insects in U.S. skies. And, the National Quarantine Unit in Nebraska is housing 18 people exposed to hantavirus, and preparing for possible cases of Ebola exposure.

Low-frequency noises that humans can feel, but not hear, may be behind the spooky feeling of old houses. Plus, a processing plant in Mississippi is leaking massive amounts of the herbicide paraquat into the air. Its biological link to Parkinson’s is becoming clear. And, a bioethicist walks us through the complexity of clinical trials, from their core scientific questions to patient selection to FDA approval.

In the microgravity of space, tumors can triple in size in just 10 days. That could be a boon for cancer research, and a risk for astronauts. Plus, why are appliances playing elaborate tunes, and where do they come from? And, beavers and humans tend to clash over landscape management. Pixar’s “Hoppers” captures the struggle, and Oregon proves coexistence is possible.

Your personal biometric data—from your face, to your gait, to your weight—is constantly being collected and sold. Who’s buying it, and why? Plus, the sci-fi thriller “Hole in the Sky” imagines an alien first-contact scenario set in the heart of Cherokee Nation. And, the SuperCDMS SNOLAB experiment, located deep in a nickel mine, aims to detect signs of dark matter particles passing through the Earth.