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The Acoustic Worlds of Radiolab Creator Jad Abumrad

The Acoustic Worlds of Radiolab Creator Jad Abumrad

Before Radiolab became a cultural phenomenon, it was an experiment… one that Jad Abumrad built voice by voice, sound by sound. In this episode, Jad walks Dallas through his journey with the show, from its scrappy beginning in a New York basement, to leading a massive team, and ultimately stepping away. Along the way, he breaks down his signature sound design and storytelling techniques, and how he’s carried those into newer projects like More Perfect and Dolly Parton’s America.

Listener Stories 2025 (Bronze): Siren Calls & Medical Melodies

Listener Stories 2025 (Bronze): Siren Calls & Medical Melodies

Twenty Thousand Hertz is proud to present the first collection from our Listener Stories competition, featuring six bite-sized pieces written and produced entirely by our audience. From the dawn of recording to the sonic secrets of thunder, from mythic sirens to melodic medicine, this Bronze Collection offers a first taste of the breadth and originality of these incredible stories.

Solar Symphony: Listening to the Sun’s hidden “music”

Solar Symphony: Listening to the Sun’s hidden “music”

What sound can teach us about our Sun? In this episode, we explore how NASA scientists translate electromagnetic waves from the Sun into sound, and even music. Through this process, researchers are gradually unlocking the Sun’s secrets, from the steady “hum” of the star’s rotation, to the way that solar winds “play” the Earth’s magnetosphere like a harp. This story comes from the podcast NASA’s Curious Universe, and features Host and Astrophysicist Padi Boyd, Sonification Specialist Robert Alexander and Heliophysicist Mike Hartinger

Dog Translation Guide: Decoding Barks, Howls, & Growls

Dog Translation Guide: Decoding Barks, Howls, & Growls

We all know that dogs are smart, sensitive creatures, but interpreting their vocalizations and behaviors can still be a challenge. In this episode, animal behaviorist  Daniel Mills reveals the true meanings behind dogs’ noises, actions, and body language. Then, author Pilley Bianchi tells the story of Chaser, the border collie who became known as “The Smartest Dog in the World” for the way that she learned language.

Cat Translation Guide: Decoding Meows, Purrs, & Chirrups

Cat Translation Guide: Decoding Meows, Purrs, & Chirrups

Cats can be very vocal creatures, but the exact meaning and intention behind these sounds can often be hard to read. In this episode, cat behaviorist Sarah Brown unpacks the hidden meanings behind cats’ vocalizations, body language and behavior. Then, veterinarian Kendra Baker takes us through her journey with Billi (AKA “Her MADjesty”) the cat who became an online sensation for her use of speaking buttons.

Lofi Girl: The story behind 📚 beats to relax/study to

Lofi Girl: The story behind 📚 beats to relax/study to

The Lofi Girl YouTube channel has over 14 millions subscribers, and at any given time, tens of thousands of people are listening together. Created by a mysterious French producer named Dimitri, the channel features a 24/7 livestream of an anime girl studying in her room, listening to lofi hip hop. In this episode, we dive into the Lofi Girl lore, chart the explosion of the Lofi Multiverse, and hear from a music therapist about how lofi affects our brains and behavior. This story was adapted from the Endless Thread podcast.

How Doctors Listen: A sonic journey through the body

How Doctors Listen: A sonic journey through the body

The sounds our bodies make can tell doctors all kinds of surprising things about our health. In this episode, we unpack the history of sound in medical diagnosis, from Hippocratic times, to the invention of the stethoscope, to the specialized tools and AI systems used today. Along the way, we’ll hear detailed recordings of these medical sounds, and learn what each of them means. Featuring Dr. David Steensma and Dr. Daniel Weiss.

Sounds of the Deep: Mysteries and threats beneath the waves

Sounds of the Deep: Mysteries and threats beneath the waves

Whale songs are some of the most beautiful, cathartic sounds in nature. These extraordinary creatures use sound to socialize, to mate, to find food, and avoid predators. But for aquatic animals, the sounds of human activity can be absolutely devastating. With underwater noise pollution on the rise, what can we do to ensure the survival of these amazing creatures? Featuring acoustician Al Jones, Professor John Hildebrand of the Scripps Institution of Oceanography, and Vox Senior Producer Christophe Haubursin.