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But Why: A Podcast For Curious Kids
But Why: A Podcast For Curious Kids

But Why is a show led by you, kids! You ask the questions and we find the answers. It’s a big interesting world out there. On But Why we tackle topics large and small, about nature, words, even the end of the world. Have a question? Send it to us! Adults, use your smartphone's memo function or an audio app to record your kid's question (get up nice and close so we can hear). Be sure to include your child's first name, age, and town. And then email the audio file to questions@butwhykids.org

But Why is here to help with your education goals! We've created learning guides and coloring pages to complement our recent episodes. Our learning guides were designed to meet Common Core standards.

Teachers, check out our list of learning guides by category.

Sign up for our email newsletter to learn about new episodes and resources for parents and teachers.

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Latest Episodes
  • What causes wind? How is wind created? Why does the wind blow in different ways? How does the wind start blowing and what makes it stop? Why is it windy by the ocean? Why does it get windy when the weather is changing? How is it you can you feel and hear the wind but not see it? Why is the wind sometimes strong and sometimes cold? Answers to all of your wind questions with National Weather Service Meteorologist Rebecca Duell.
  • We asked our listeners: if you could invent anything what would it be? And we got so many fantastic ideas from kids all over the world: a solar cooler, a chimney that changes carbon dioxide to oxygen, a slide that gives you an ice cream cone at the bottom, and more. Some kids would like to invent robots that do their chores, flying cars, teleporting devices to take them back in time, and even a bully behavior zapper.This episode is all about creativity! But how do you take a great idea and turn it into reality? We’ll get advice from teenage brothers Ayaan and Mika’il Naqvi, who invented, patented and now sell Ornament Anchor after Ayaan came up with the idea in fourth grade.
  • Why do seasons change? Why does it get darker earlier in the winter and why is there more daylight in the summer? Why are some seasons warm and some are cold and icy? Why do some places not have seasonal changes at all? We’re learning about solstices, equinoxes and seasons in this episode of But Why. Our guide is John O’Meara, Chief Scientist at Hawaii’s Keck Observatory. And kids around the world tell us what they like best about their favorite season.
  • How are babies made? We speak with Cory Silverberg, author of What Makes A Baby, for answers to questions about how we all come into the world. This is a conversation that welcomes all kinds of families as we answer questions about why babies don't hatch out of eggs, why boys have nipples, why girls have babies but boys don't and why some people look more like one parent more than the other. Later in the episode we also explore how we get our last names and how two people can have the same last name when they're not related. We made this episode with our youngest listeners in mind, but parents may want to preview this episode on their own or listen with their kids.
  • Why is the Burj Khalifa so tall? That’s what 5-year-old Simon wants to know. The Burj Khalifa is the tallest building in the world and it’s located in Dubai. 6-year-old Isabel, who lives in Dubai, visited the tower and gives us the bird’s eye view in this episode! Plus, Janny Gédéon, architecture educator and founder of ArchForKids answers lots more questions about tall buildings: How are tall buildings built? How do they stay up? Why are so many buildings squares or rectangles? How do they make buildings that are taller than cranes?
  • Squirrels are everywhere. Three hundred or so species of these often adorable rodents live on every continent except Antarctica. No matter where you live, city or country you’re bound to have squirrels nearby. How much do you know about our bushy-tailed neighbors? How fast do squirrels and chipmunks run? Why do squirrels have big bushy tails? Do squirrels get sick? Why do they like nuts better than berries? How do squirrels eat acorns? How do squirrels sleep? Are squirrels nocturnal? Answers to your squirrel questions with Ben Dantzer, scientist at University of Michigan. Plus some observational activities you can do to learn more about squirrel behavior!
  • The FDA recently gave emergency use authorization to the Pfizer-BioNTech vaccine for kids age 5 to 11. With all the news and conversation about this development, kids are curious to know more about the Covid vaccine--and vaccines in general! So in this episode we answer questions from kids and parents, including: Why does it have to be a shot? How do vaccines work? How does a vaccine trial work? Should an 11.5yo get the shot as soon as it’s available or wait until age 12 to get the larger dose?
  • Why do apples have stems? Why do fruits start out as flowers? How did the first apple grow when no one was there to plant its seed? Why can you make a seedless grape and not a seedless apple? Why are apples so juicy? How is apple juice made? Why are apples hard and pears soft? In this episode we take a field trip to Champlain Orchards in Shoreham, Vermont to learn more about apples. Our guides are 10-year-old Rupert Suhr, his father, Bill, and apple expert Ezekiel Goodband.
  • We’re exploring a part of the world that not much is known about—in fact, you could be one of the people who help us understand and learn more about this very important, and very large, part of our earth.The land underneath the ocean is as varied and interesting as the terrain up on dry land—with mountains and canyons, plains and forests. (That’s right, forests! There are kelp forests where the kelp is as much as 150 feet tall!) In this episode, what’s known--and unknown--about the bottom of the ocean. How deep IS the deepest part of the ocean? And how was the Mariana Trench formed? We get answers from Jamie McMichael-Phillips and Vicki Ferrini of Seabed 2030, a global collaboration designed to map the sea floor, by 2030.
  • Kala wants to know why we say soccer in the United States, when the rest of the world calls the game "football." In this episode we hear from people who make their living in the game, including coaches and commentators and former pros Alexi Lalas and Alejandro Moreno.