But Why: A Podcast for Curious Kids

Why Is There A Big Patch Of Garbage In The Pacific Ocean?

Why is there a big patch of garbage in the Pacific Ocean? Four-year-old Leon has heard of the Great Pacific Garbage Patch and he wants to know what the deal is. So we speak with someone who's actually been there! Teen Vogue News and Politics Editor Alli Maloney visited the garbage patch last year for a series called Plastic Planet. But in this episode we'll also explore how young people are becoming activists, trying to reduce the amount of plastic waste produced, waste that sometimes goes into the ocean. Anika Ballent, with the non-profit Algalita, shares what kids can and have been doing.

Why Do Days Start At 12 O'Clock?

How was time created? How did one minute become 60 seconds and one hour became 60 minutes? Why is time segmented into 12-hour periods? How do clocks work? Why is a year 365 days? Why is there an extra day in February every four years? Does time have a beginning or an end? Is time travel possible? Answers to all of your time questions with Andrew Novick of NIST, the National Institute of Standards and Technology.

What Is It Like To Be An Adult?

What is it like to be an adult? It's a big question from a young mind! We invited adults who listen to share their perspectives and Nora McInerny, host of the podcast Terrible, Thanks for Asking, helps guide us through that and a few other questions about the strange world of adults: Why can adults do things that kids can't do? Why don't adults play pretend like they used to when they were kids? What happens when you don't listen to your boss? And why do people cry when they're happy?

Circle Round: 'Armadillo's Song'

This week, instead of a normal episode, we're bringing you an episode from one of our podcast friends, Circle Round, from WBUR in Boston. Circle Round features folk tales from around the world, and we've selected one we think you'll really enjoy. French comedian Gad Elmaleh stars in "Armadillo's Song," a story about achieving goals and proving naysayers wrong!

Why Do We Celebrate Halloween?

Why do we celebrate Halloween? Who created this holiday? Where do pumpkins come from and why do we carve them? This week we're answering your Halloween questions with a professor of all kinds of scary and creepy things, Regina Hansen of Boston University.

Why Do People Get Cancer?

A cancer diagnosis can be scary, and for kids it can be bewildering. We've gotten some questions about cancer and in this episode we answer them with Dr. Donald Small, director of pediatric oncology at Johns Hopkins School of Medicine. We answer how people get sick when it's not caused by germs, how people get cancer, and why cancer "does not have a cure." There's nothing graphic or scary in this episode, but adults may want to give this episode a listen if cancer is something your littles have been dealing with.

Why Is Fire Orange?

We visit Fireman's Hall Museum in Philadelphia and get answers to a dozen questions about fire from Philly firefighter Lisa Desamour. She tells us what fire is, why matches work to start fires, and why fire is often orange. Plus: how does water put out fire? How do smoke alarms work? Why do firefighters have Dalmations?

Why Do Turtles Need Shells? Why Do Frogs Hop?

Why do turtles need shells? Why do turtles move so slowly? Why do frogs hop? Why are frogs green? Why are colorful frogs poisonous? Why do frogs inflate their throats? What some of the biggest threats are to amphibians and reptiles? We head out to the pond to get answers from some herpetologists! We also get a preview of the new Earth Rangers podcast!

An Introduction To VPR's Timeline

In this episode we want to introduce you to another show made at VPR that we think you're really going to like. It's called Timeline and it explores the history of western music. Host James Stewart has just made 4 special episodes exploring the elements fire, water, earth and air. We're bringing you the water episode!

Why Do Ants Bite?

Why do ants bite? Do both male and female ants have stingers? Do ants sleep? What do they do in the winter? In this episode we learn all about the fascinating world of ants with Brian Fisher , curator of entomology at the California Academy of Sciences. Fisher has identified about 1000 different species of ants!

But Why LIVE: Hoots And Screeches And Whistles, Part 2

How fast can the fastest bird go (and what bird is it?) Why do birds have wings? How do they fly? Why are birds so colorful? And why do they sing at dawn and dusk? In the second part of our live show in April with Bird Diva Bridget Butler, we learn all about birds, and get some lessons in how to sing like our avian neighbors!

But Why LIVE: Hoots And Screeches And Whistles, Part 1

How do owls eat? Why are owls nocturnal and how do they see in the dark? How do owls swivel their heads all the way around? Why do birds move their heads back and forth when they walk? This episode was recorded live at The Mega Awesome Super Huge Wicked Fun Podcast Playdate in Brookline, Massachusetts.

Podcast Extra: Heterotaxy and Hearts

After hearing our episode about hearts, 3yo Ethan Chandra, from Middlesex, NJ, wanted to share the story of his own heart. In this podcast extra, Ethan and his 5yo sister Zoe and their mother, Ali, talk about what it's been like for Ethan to live with a condition called heterotaxy.

Why Do We Laugh?

Why do we laugh? Why do you feel ticklish when someone tickles you? Why can't you tickle yourself? We learn about how humor develops with Gina Mireault of the Infant Laughter Project at Northern Vermont University.

Why Do We Need To Sleep?

Why do people need to sleep? How do we actually go to sleep? How does sleeping get rid of toxins in the brain? And how come when it's nighttime I don't want to go to sleep but when it's morning I don't want to wake up?! Those questions and more, all about sleep. We're joined by pediatric sleep psychologist Dr. Lisa Meltzer.

How Do Fish See? How Do Fish Sleep? How Do Fish Breathe?

How did the first fish get into the ocean? How do fish breathe under water? If you put a fish's head underwater, but not its tail, would it survive? How do fish get diseases? How do fish see underwater without googles? Why do fish swim when they are asleep? Do fish drink water? Do fish have ears? How are fish born? But Why visits the New England Aquarium in Boston to get answers to those and other questions kids have sent us about fish.

Are There Underground Cities?

In this episode, we answer a question from 5-year-old Wyatt in Los Angeles and learn about ancient underground cities in Turkey, the subterranean passageways of Montreal and the dug-out houses of Coober Pedy, Australia. Also in this episode: Why is it so warm underground?

Why Is Money So Important?

In this episode of But Why we visit a credit union to learn what money is all about and Slate Money hosts Felix Salmon, Anna Szymanski and Jordan Weissman answer questions about why money plays such a big role in modern society. How was money invented? Why can't everything be free? How do you earn money? Why don't kids go to work? How was the penny invented? Why are dimes so small?

Why Do We Have Daylight Saving Time?

Why do we have daylight saving time? And why are days longer in summer and shorter in winter? Daylight saving time is really just a trick. At least, so says Michael Downing, author of Spring Forward: The Annual Madness of Daylight Saving Time. He's our guest in this episode and he explains the reasons behind this semi-annual ritual of moving the clocks forward and back.

Why Do Leaves Change Color In The Fall?

Why do leaves change color in the fall? Why are leaves green? Why don't leaves turn all of the colors of the rainbow? In this episode of But Why, we're talking about fall leaves, and how trees go from green to fiery red, orange and yellow.

Listen: Talking To Kids About Violence In the News

In the wake of the deadliest mass shooting in U.S. history in Las Vegas on Sunday, we're re-releasing our special episode for parents. We speak with Dr. Robin Gurwitch about how to answer questions children may have about violence they hear in the news. She's a child psychologist at the Duke University Medical Center and she has served on numerous commissions and committees about children and trauma, including the National Advisory Committee on Children and Disasters.

How Do Hurricanes Form?

In the last couple of weeks, two big hurricanes have hit parts of the United States and Caribbean islands. In this episode we answer questions from kids who have been hearing the news and wondering: How do hurricanes form? Why do hurricanes strike Florida? Why do hurricanes have names? We speak with atmospheric scientist Shuyi Chen of the University of Washington.

How Do Bees Make Honey And Why Do They Sting?

Why do bees pollinate? How do bees make honey? Why do bees have stingers? Why do bees die when they sting you? What's the difference between a bee and a wasp? Does honey have healing properties? Vermont farmer and beekeeper John Hayden of The Farm Between answers all of your bee questions! And we learn about one curious kid's app, which he hopes will help save pollinators.

Why Do Flamingos Stand On One Leg?

We're answering ten questions as quickly as we can in this episode of But Why. Why do onions make you cry? How do hummingbirds hum? Why do flamingos stand on one leg? Do moths have veins in their wings? Do cats that share a home have the same meow? What was the first book? How do libraries get money if people borrow books for free? Why do people have fidget spinners? Why can't my stuffed animal get wet? And how do pigs poop? Can we do it all in 20 minutes?!

Why Are Moths Attracted To Light?

In this episode we're celebrating the official return of summer to the northern hemisphere by answering some summertime questions! How do fireflies glow and can they control how they blink? Why are owls nocturnal? How do they swivel their heads around? And how do they hoot? Plus a few burning questions about why bug bites itch, why poison ivy and caterpillars and berries can all be poisonous, and how come we have to wear sunscreen! We'll get answers from wildlife biologists Kent McFarland and Bryan Pfeiffer. Plus we hear an episode of one of VPR's other podcasts, Outdoor Radio.