Radiolab for Kids

• The Horseshoe Crab's Secret

  We’re back with an episode from the Radiolab archive. Horseshoe crabs have been around for a long time. They outlived the dinosaurs, survived all mass extinctions and witnessed the sprouting of the Earth’s first trees. The secret to their longevity? Their baby blue blood. Which has been saving both their lives and ours. Lulu and Radiolab co-host, Latif Nasser,  head to one of these bleeding facilities to learn how horseshoe crab blood became indispensable for modern medicine. And how this vampirish relationship humans have with the crabs might also be crucial to keeping them alive.  Terrestrials will be back in September 2025 with all new episodes airing every other week! SIgn up for our newsletter here and follow us on Instagram @terrestrialspodcast for updates.If you want to learn more about how miraculous horseshoe crabs are, check out:Alexis Madrigal, "The Blood Harvest" in The Atlantic, and Sarah Zhang's recent follow up in The Atlantic, "The Last Days of the Blue Blood Harvest" Deborah Cramer, The Narrow EdgeDeborah Cramer, "Inside the Biomedical Revolution to Save Horseshoe Crabs" in Audubon Magazine Richard Fortey, Horseshoe Crabs and Velvet WormsIan Frazier, "Blue Bloods"  in The New Yorker Lulu Miller's short story, "Me and Jane"  in Catapult MagazineJerry Gault, "The Most Noble Fishing There Is"  in Charles River's Eureka Magazine Glenn Gauvry's horseshoe crab research database HEY GROWN-UPS!Love the show? Leave us a ⭐⭐⭐⭐⭐ rating and review on your podcast app—it helps curious listeners find us!We want to hear from you! Share your thoughts about Terrestrials with us.Subscribe to our weekly newsletter for bite-sized essays, activities, and ways to connect with the show.Follow us on YouTube, Instagram, and TikTok for behind-the-scenes extras and more.Listen to original music from Terrestrials on Spotify, Apple Music, or our music page.Got a badgering question for the team? Email us at [email protected] or submit a voice memo with your name, age, and your question using this form!Terrestrials is made possible in part by listeners like you. Support the show by joining Radiolab’s membership program, The Lab—and we’ll send you a special thank-you gift from our team!

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• The Mastermind: An Octopus Heist

  A color-changing creature many people assumed to be brainless outsmarts his human captors. SPOILER: The creature is an octopus! Author Sy Montgomery tells the story of one octopus named Inky who makes us question who we consider intelligent (and kissable) in the animal kingdom.  Learn about the storytellers, listen to music, and dig deeper into the stories you hear on Terrestrials with activities you can do at home or in the classroom on our website, Terrestrialspodcast.org.  Find MORE original Terrestrials fun on Youtube. And badger us on Social Media: @radiolab and #TerrestrialsPodcast  Terrestrials is a production of WNYC Studios, created by Lulu Miller. This episode is produced by Ana González, Alan Goffinski and Lulu Miller. Original Music by Alan Goffinski. Help from Suzie Lechtenberg, Sarah Sandbach, Natalia Ramirez, and Sarita Bhatt. Fact-check by Diane Kelley. Sound design by Mira Burt-Wintonick with additional engineering by Joe Plourde. Our storyteller this week is Sy Montgomery. Transcription by Caleb Codding. Our advisors are Theanne Griffith, Aliyah Elijah, Dominique Shabazz, John Green, Liza Steinberg-Demby, Tara Welty, and Alice Wong. Terrestrials is supported in part by Science Sandbox, an initiative of the Simons Foundation. HEY GROWN-UPS!Love the show? Leave us a ⭐⭐⭐⭐⭐ rating and review on your podcast app—it helps curious listeners find us!We want to hear from you! Share your thoughts about Terrestrials with us.Subscribe to our weekly newsletter for bite-sized essays, activities, and ways to connect with the show.Follow us on YouTube, Instagram, and TikTok for behind-the-scenes extras and more.Listen to original music from Terrestrials on Spotify, Apple Music, or our music page.Got a badgering question for the team? Email us at [email protected] or submit a voice memo with your name, age, and your question using this form!Terrestrials is made possible in part by listeners like you. Support the show by joining Radiolab’s membership program, The Lab—and we’ll send you a special thank-you gift from our team!

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• Crabtacular! A deep dive into the Hudson River

  Today, we splash into the Hudson River Park with our Songbud to meet all kinds of crabs. With Siddartha and Carrie from  the Hudson River Park, Alan puts on waterproof rubber overalls, gets his hands dirty in the river and dives into the secret lives of Hudson crabs.Plus, CRAB WEEK is going on right now in New York City! It’s an annual shell-ebration that highlights the crabs of the Hudson River. Scuttle by for crabtastic activities throughout the park all week long! You’ll have the opportunity to try your hand at some crabby crafts, learn crabtivating facts and get your claws on a copy of our limited-edition Crab Week poster. Check out their entire shell-dule.And join us on August 6th + 7th in Little Island for our full-day takeover of the park. Join us at 10am for Wilderness Wonderland featuring scavenger hunts, live music, and more – including our friends from the Hudson River Park who will be on site with live critters! At 5pm, we will be performing a LIVE podcast taping  all about  PIZZA! The show’s free. There will be pizza. Join if you’re in NYC (or make this the reason you visit). Check out all of our other performances here. HEY GROWN-UPS!Love the show? Leave us a ⭐⭐⭐⭐⭐ rating and review on your podcast app—it helps curious listeners find us!We want to hear from you! Share your thoughts about Terrestrials with us.Subscribe to our weekly newsletter for bite-sized essays, activities, and ways to connect with the show.Follow us on YouTube, Instagram, and TikTok for behind-the-scenes extras and more.Listen to original music from Terrestrials on Spotify, Apple Music, or our music page.Got a badgering question for the team? Email us at [email protected] or submit a voice memo with your name, age, and your question using this form!Terrestrials is made possible in part by listeners like you. Support the show by joining Radiolab’s membership program, The Lab—and we’ll send you a special thank-you gift from our team!

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• CHOWDA: A Souper Fascinating Tale

  Today we’re bringing you a live episode we taped in Boston. It’s about clam chowder. We’re sharing it now because we’re doing ANOTHER LIVE SHOW at Little Island in NYC on August 6th + 7th - and that one’s about PIZZA! The show’s free. There will be pizza. Join if you’re in NYC (or make this the reason you visit). Check out all of our other performances here.Lulu is a Bostonian who has never had clam chowder. Read that again. For some reason it always felt gross to her. So as an extreme challenge, we’re taking a closer look at clam chowder to see if it can become wondrous. Ana and Alan break down each ingredient - milk, potatoes, and finally clams - with a concoction of stories and guests. Then, if she’s convinced of clam chowder’s magic, Lulu will try clam chowder for the first time in her life. You can watch a full video taping of this episode here. Listen if you love clam chowder, but especially if you’re a chowda doubta. Special thanks to scientist Rachel Hutchison from the Woods Hole Oceanographic Sea Grant for all of her clam knowledge and WBUR’s CitySpace for hosting this event. Hope to see you in New York City!   HEY GROWN-UPS!Love the show? Leave us a ⭐⭐⭐⭐⭐ rating and review on your podcast app—it helps curious listeners find us!We want to hear from you! Share your thoughts about Terrestrials with us.Subscribe to our weekly newsletter for bite-sized essays, activities, and ways to connect with the show.Follow us on YouTube, Instagram, and TikTok for behind-the-scenes extras and more.Listen to original music from Terrestrials on Spotify, Apple Music, or our music page.Got a badgering question for the team? Email us at [email protected] or submit a voice memo with your name, age, and your question using this form!Terrestrials is made possible in part by listeners like you. Support the show by joining Radiolab’s membership program, The Lab—and we’ll send you a special thank-you gift from our team!

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• Bugapalooza! LIVE! Jumping spiders, hissing roaches, and more

  We’re doing a bunch of LIVE SHOWS at Little Island in NYC on August 6th-7th. For free. Come join! Check out all of our performances here.Today we’re bringing you an episode we taped LIVE at The Greene Space at WNYC. In a room filled with all types of critters — scorpions, hissing cockroaches, a tarantula named Isabel and our main star… the jumping spider. Entomologist and bug lover Dr. Sebastian Echeverri tells us all about his love for the jumping spider’s dance moves. Lulu and the audience learn about the creepy crawlies, pet them and then EAT a bug-filled snack.Special thanks to Dr. Sebastian Echeverri for all of his insect knowledge, musician Aviva Jaye for her beautiful harp composition, and Noor Shikari for preparing over 150 delicious grasshopper tacos for us. You can watch the full video taping of this episode here!Check out Dr. Echeverri’s spider field guide Spiders of the United States and Canada.If you ever find yourself in Brooklyn wanting to try some grasshopper tacos, check out Citrico on Washington Ave.  HEY GROWN-UPS!Love the show? Leave us a ⭐⭐⭐⭐⭐ rating and review on your podcast app—it helps curious listeners find us!We want to hear from you! Share your thoughts about Terrestrials with us.Subscribe to our weekly newsletter for bite-sized essays, activities, and ways to connect with the show.Follow us on YouTube, Instagram, and TikTok for behind-the-scenes extras and more.Listen to original music from Terrestrials on Spotify, Apple Music, or our music page.Got a badgering question for the team? Email us at [email protected] or submit a voice memo with your name, age, and your question using this form!Terrestrials is made possible in part by listeners like you. Support the show by joining Radiolab’s membership program, The Lab—and we’ll send you a special thank-you gift from our team!

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