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How do broken bones heal?
Why do we have bones? How do they grow–and how do they know when to stop growing? How many do we have in our bodies? And when we break our bones, how do they heal? What do casts do? And how do you know if you’ve broken a bone? Broken bones
How do wind turbines work?
How do wind turbines work? How are wind turbines made? What will our energy picture look like in the future? We’re taking a deep dive into wind power, and trying to make the technology understandable, with Josh Castonguay of Vermont utility
Do earthworms have eyes?
Come along to learn all about the wriggling worms that live in the dirt beneath your feet. Earthworms are everywhere, and there are many species of worms yet to be discovered. How do worms communicate? Why do worms have slime? Why do worms
How do we learn to swim?
But it’s important to know how to swim if you’re going to be around water! In this episode, Upper Valley Aquatic Center Swim School Director Kana Wyman gives us swimming tips, like how to get comfortable putting our heads in the water, how
What’s it like to compete in the Olympics?
We’re celebrating the Olympics and Olympic athletes with an episode chock full of the interviews we’ve done with Olympians. Plus we answer some of the Olympic-themed questions you’ve sent us, starting with: what’s all the hype about winning
Why do we wear clothes?
Have you ever been threading one leg through a pair of pants in the morning and wondered…why do we wear clothes anyway? Or wondered why pockets in clothing designed for girls are sometimes smaller than the pockets in clothing designed for b
Who invented pizza?
How is pizza dough made? How does gluten-free dough rise? Who invented pizza? Is there pizza in every country? Is yeast alive?! Kids love pizza and they have questions! We get answers from Frank Pinello of Best Pizza (https://www.bestpizzaw
Why do oranges have peels?
Why do oranges have peels? Why is the inside of an orange segmented? Why are lemons and limes so sour? Why do lemons have seeds but limes don’t? Why does fruit have juice? How many oranges are in a gallon of juice? How do seedless oranges r
Do people eat bugs?
Yes! In many parts of the world, insects are a regular part of people’s diets. Bugs are an efficient source of protein, and many cultures find them delicious. Some countries, like the US, don’t have a strong culture of insect cuisine, but t
Why do cicadas come out every 17 years?
This spring, trillions of periodical cicadas are emerging from the ground, where they’ve spent 13 or 17 years feeding on xylem (basically, tree juice). The two specific broods emerging this year have not come out at the same time since 1803
Where does the sky end?
Where is the border between sky and space? That's what 5-year-old Matthias of Durham, New Hampshire wants to know. Alesandra, 3 of Bella Vista, Arkansas wants to know why we can't hold air. In this episode from 2020, we’re joined by anthrop
What's cool about cockroaches?
That’s a question a lot of people have, honestly. But a kid named Rosie was bold enough to ask us to investigate why. So, in the latest episode, we dig in on why cockroaches get such a bad rap and why you might want to reconsider if you’re
How do crocodiles chomp?
Why do lizards have scales? Why are reptiles cold-blooded? Why do lizards have long tongues? How do lizards grow their tails back? Are crocodiles dinosaurs? What’s the difference between an alligator and a crocodile? Why do crocodile eyes l
Why do ballerinas wear ballet shoes?
Why do people dance? Where did ballet come from? How do you make pointe shoes for ballet? How does practice make you better at things? But Why visited Dance Theatre of Harlem (https://www.dancetheatreofharlem.org/) to get answers to these q
What is a solar eclipse?
A solar eclipse is coming to North America on April 8, 2024. The moon will line up perfectly between the Earth and the sun, blocking out the sun’s light and casting a shadow that will pass over parts of Mexico, the United States and Canada.
How do invasive species take over?
Why are there Burmese pythons and chameleons in the Florida Everglades? We might not know how those animals arrived but they are causing damage to the natural ecosystem. An invasive species out competes native plants and animals in an ecosy
Can snowstorms have thunder?
How is snow made and what’s it made out of? Why is it white and sparkly? Why do snowflakes look different? Can snowstorms have thunder? Why do some places, like mountains, get more snow than others? Answers to all of your questions about sn
Why do we need glasses?
How do glasses work? Why do some people need glasses and other people don’t? Why do we have different eye colors? We answer your questions about glasses and eyes in the second of two episodes with Dr. Sujata Singh, a pediatric ophthalmologi
Why do we have two eyes if we only see one image?
What shape are our eyes? What are they made of? How do they work? What’s the point of having two eyes if we only see one image? Why do we blink? What’s the point of tears and why are they salty? We answer your questions about eyes in the fi
What if the world started spinning backward?
We’ve collaborated with our podcast friends at What If World to bring you the first (and only) episode of…But Why If World! In this episode we jointly answer some “what if” questions. What if cereal could talk to us? What if dinosaurs didn’
What makes you happy?
For our last episode of each year, we often like to ask our listeners around the world to send us something fun. This year, we wanted you to tell us what makes you happy and you had a lot to share on that topic! Our listeners find happiness
What's it like to be bilingual?
Almost half the people in the world speak at least two languages. And, it turns out, that includes a lot of But Why listeners! In this episode we talk about what it’s like to speak multiple languages and kids from around the world share phr
How are electric guitars made?
How are electric guitars made? How are guitar strings made? And how, exactly, do guitars work? We’re answering questions about electric guitars with local luthier (guitarmaker) Lea in Burlington, Vermont. Creston gave us a tour of his studi
Why are pandas black and white?
For the past 50 years, visitors to the Smithsonian National Zoo in Washington, D.C. were able to see giant pandas. But recently, China asked for those pandas back. (Technically, all pandas in the United States are considered “on loan” from
Why do we celebrate birthdays?
Why do we celebrate birthdays? Why do we have birthday cakes? Why do we blow out candles on our birthdays? Why are our birthdays on the same date but a different day of the week each year? This episode has answers to all of your birthday qu
Why do we like being scared?
Why do some people like haunted houses and scary movies? What is fear? Why do humans have fear! Why do we get goosebumps, blink a lot and scream when we’re scared? Why are some of us afraid of what’s in our closet or under the bed at night?
How is meat made in a lab?
How is meat made in a lab? That’s what 10-year-old Nate in New Jersey wants to know! Scientists have figured out how to grow meat in laboratories. Some hope lab-grown meat will be able to help address issues like global food insecurity, agr
Why do people get older?
Younger people have lots of questions about older people, like: Why do we age? Why do people get gray or white hair? Why do older people have wrinkles? Why do older people have veins that stick up? Why are older people more tired? Why do so
How do birds fly?
Why do birds fly? How do raptors soar? Why do some birds fly in the shape of a V? Why can’t some birds, like penguins, emus and ostriches fly? Why do hummingbirds fly so fast? We answer all of your questions about birds and flight with help
What are sun bears?
We’re thinking about bears! Actually one specific type of bear: sun bears! Have you heard about this type of bear? They’re the smallest of the world’s bears, about half the size of a black bear. They live throughout southeast Asia and have
