But Why: A Podcast for Curious Kids

Why do your fingers and toes turn wrinkly in the tub? Why are people ticklish? How do you get freckles? Why do some people have birthmarks? How do our hands feel things? Are humans animals? Why don't humans have tails? Why do we need food and water to survive? Why do our nose and ears keep growing? How do bones connect together? We're talking about our weird and wonderful bodies with Dr. Lori Racha, a pediatrician at the University of Vermont.

Join experts Riley Woodford, a wildlife specialist from Alaska, Linda Holmes, an NPR pop culture journalist, and Brian Robinson from the world's largest zipper company for a lively discussion! Discover the fascinating science of how popcorn kernels pop and the role of moisture and heat. Learn about salmon's incredible journey home using their sense of smell and Earth’s magnetic field. Plus, unravel the mechanics of zippers, and explore how they're used even in NASA spacesuits—it's a fun blend of science, nature, and pop culture!

Why is all of the world split up into countries, states, cities and counties and more? Why can't we all just live as one big group? Which country has the least amount of people? We're talking about countries and borders with author Juan Enriquez. Also in this episode: why don't school buses have seatbelts?

How is chocolate made? Why can't we eat chocolate all the time? Why does chocolate melt? Why can't dogs eat chocolate? In this episode, we travel to Taza Chocolate in Somerville, Massachusetts to get some answers. Plus, we visit a coffee roaster in Maine to learn about this parent fuel that so many kids find gross!

We're getting answers to all of your weather questions! Where does snow come from? Why do clouds stay up in the sky? How hot is lightning? What are thunderstorms? How is wind made? Those questions and more are answered by meteorologist Mark Breen, author of The Kids' Book of Weather Forecasting.

On this special episode, we're going to listen to a story about how turkeys used to get from farms in Vermont to markets and dinner tables far away in Boston, a distance of a couple hundred miles. This was before refrigerated trucks. So how do you think they did it?

Why do we like to eat certain foods? Why do some people like to eat spicy food and some people don't like to eat vegetables? Why does pineapple hurt your mouth when you eat too much of it? Why do we taste things and how? Why do different foods taste different? Do animals have the same taste buds as people? Download our learning guides: PDF | Google Slides | Transcript

Are ghosts real? Why do some cultures believe in fairies and gnomes and some don't? We'll learn about how beliefs in ghosts vary in different parts of the world with Justin McDaniel of University of Pennsylvania. Then we're off to Iceland to learn about magical creatures with Terry Gunnell.

How do birds fly? Why do they flock? How do they not get shocked when they sit on telephone wires? The Bird Diva has our answers to all of your questions about our feathered friends. And why do chickens lay different colored eggs? We visit the hen house at Shelburne Farms to find out.

Who invented the president? Which country had the first president? We answer presidential questions historical in nature with author Kenneth C. Davis . Also in the episode: why do leaves change color in the fall?