But Why is a show led by kids. They 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. Know a kid with a question? Record it with a smartphone. Be sure to include your kid's first name, age, and town and send the recording to questions@butwhykids.org!

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Descubre cómo un ladrillo del siglo 16 se adelantó a Ikea y cómo el VHS fue el precursor de Netflix. Viaja miles de años en el tiempo excavando unos pocos metros de tierra, aprende lo que los humanos no se atreven a decir removiendo entre su basura. Escrito y dirigido por Marcus H, el arqueólogo Alfredo González Ruibal nos acompaña en este viaje a lo más profundo de la condición humana.

How Are Babies Made?

June 09, 2017 23:38 22.69 MB Downloads: 0

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.

Podcast Extra: Do Dogs Get Strep Throat?

May 26, 2017 01:36 1.55 MB Downloads: 0

We recently did an episode all about dogs. But after that came out, Nash, from Fort Dodge, IA, sent us a question wondering if dogs ever get strep throat. So we reached back out to Jessica Hekman to get an answer!

Why Are Some Animals Pets And Others Are Lunch?

May 26, 2017 21:41 20.83 MB Downloads: 0

This episode may not be suitable for our youngest listeners or for particularly sensitive kids. We're discussing animal ethics with author Hal Herzog. In a follow up to our pets episodes, we look at how we treat animals very differently depending on whether we think of them as pets, food, or work animals. Why do some cultures eat cows and others don't? Why do some cultures not have pets at all? And is it okay to breed animals like dogs that have significant health problems even though we love them? Herzog is the author of 'Some We Love, Some We Hate, Some We Eat: Why It's So Hard to Think Straight About Animals.' Download our learning guides: PDF | Google Slide | Transcript

Why Do Dogs Have Whiskers?

May 12, 2017 20:55 20.09 MB Downloads: 0

Why do dogs have whiskers? Why are dogs' eyesight black and white? Why do dogs have so many babies? Why do dogs have tails and we don't? Why are dogs thumbs so high on their paw? Why don't dogs sweat? Why do dogs roll in the grass? Why aren't dogs and cats friends? Veterinarian and dog scientist Jessica Hekman has answers. Download our learning guides: PDF | Google Slides | Transcript | Coloring Page | Dog Breed Quiz | Answer Key

Why Do Cats Purr?

May 12, 2017 23:12 22.28 MB Downloads: 0

Why do cats purr? How do cats purr? Why can't we purr? Why do cats "talk" to people, but not other cats? Why do cats sharpen their claws? Are orange cats only male? Why do cats like milk and not water? Why are some cats crazy? Can cats see color? All of your cat questions answered with Abigail Tucker, author of 'The Lion in the Living Room.'

Who Was The First Person?

April 28, 2017 29:41 28.51 MB Downloads: 0

Who was the first person? Paleoanthropologist Adam Van Arsdale answers one of the most frequent questions we get here at But Why. Also: how does evolution work? Was there a first of every living thing? How did the first animal come alive? How did monkeys turn into people? And what did cavemen eat that we still eat today?

The Kratts Take Kids On Wild Animal Adventures

April 21, 2017 42:10 40.48 MB Downloads: 0

For 20 years, brothers Chris and Martin Kratt have been taking kids on adventures around the world through their TV shows, including Wild Kratts, Zoboomafoo, and Kratts' Creatures. They spent many childhood summers exploring the wilds of Vermont. In this special episode, we are sharing a Vermont Edition interview Jane did with the Kratts for her other radio show.

How Do Butterflies Fly?

April 14, 2017 27:45 26.64 MB Downloads: 0

How do butterflies fly? Why are butterflies called butterflies? How do airplanes fly? If gravity pulls everything down, how do planes and rockets get up in the air? Why do planes have engines and how do they make them? We're visiting ECHO, the Leahy Center for Lake Champlain and the Smithsonian National Air and Space Museum for answers.

How Do Piano Keys Make Sound?

March 31, 2017 27:36 26.51 MB Downloads: 0

Did you know pianos have strings and hammers? We're learning all about instruments and how they use strings to make noises.

How Do Big Plants Grow From Such Small Seeds?

March 17, 2017 22:13 21.34 MB Downloads: 0

Why are there so many plants? How are seeds made? How does germination work? How can plants grow so big if they start from such a small seed? Why are flowers different colors? Why are plants and trees green? Where does dirt come from? In this episode of But Why , we're talking about plants with garden consultant Charlie Nardozzi.

How Does NASA Drive The Mars Rover?

March 03, 2017 22:12 21.32 MB Downloads: 0

The discovery of seven new planets that could contain life has kids and adults pretty excited. We can't get to these planets yet but we do have tools to explore planets closer to home. In this episode, St. Michael's College astronomy professor John O'Meara answers how the Mars rover is driven from back here on earth?

Are Yawns Really Contagious?

February 17, 2017 36:46 35.31 MB Downloads: 0

Why are yawns contagious? Why do we hiccup? How do teeth get loose? Why do your ears hurt when you drive up over the mountains? Why do we get dizzy when we spin? Why do people slip? Why do people faint? Why do we have saliva and mucus? Why do people cry when they get hurt? How do voice boxes work? Why does your voice sound weird when it's recorded? Dr. Lori Racha has more answers to your body questions.

Why Do Your Fingers And Toes Turn Wrinkly In The Tub?

February 03, 2017 30:13 29.01 MB Downloads: 0

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.

How Do Popcorn Kernels Pop?

January 20, 2017 26:17 25.24 MB Downloads: 0

How do popcorn kernels pop? How do salmon know where to return to spawn? How do rabbits change colors? Why does television fry your brain? How do zippers zip stuff? Who was the fastest runner in the world? In this episode, we'll tackle all these questions!

Why Is The World Split Into Countries?

January 06, 2017 24:37 23.63 MB Downloads: 0

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?