Broadcasts

Modern life involves a lot of sitting and staring at screens, and that takes a toll. Can moving for 5 minutes make a difference? Plus, DNA signatures of plant and animal species remain behind even after they’ve been eaten, digested, excreted, and flushed down the toilet. And, physician Masao Tomonaga reflects on a lifetime treating fellow survivors of the Nagasaki bombing.

A new book tells the story of Black women cryptologists who deciphered Soviet telegrams intercepted during the early days of the Cold War. Plus, a pioneer of cancer neuroscience explains how brain cancer develops, the role of the nervous system, and what might lead to new treatments. And, extreme heat is hitting India hard. One physician is trying to understand the health impacts, and help Indians prepare for future heat waves.

Archeologists are piecing together the lives of ordinary Pompeii residents, from a fish sauce entrepreneur to an enterprising businesswoman. Plus, Andrea Ghez developed a way to peer through dust clouds and observe stars orbiting the supermassive black hole at the center of the Milky Way. And, what do we know, and not know, about SSRI antidepressant withdrawal?

Sci-fi stories often imagine how humans would react to intelligent alien life. But what does the science say? Plus, botflies are gross, but they also know just how to hitch a ride on a camel sneeze. An entomologist celebrates the wonder of parasites. And, in a recent analysis, scientists argued that New Orleans should relocate. But planning for a city’s future is about much more than geography.

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.