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Why do we get growing pains?
Episode 301
As kids, you are constantly growing. You may not be able to feel yourself growing day to day, but if you’ve ever had achy legs at the end of…
15 hours ago
300th Episode: What’s your favorite?
Episode 300
This is But Why’s 300th episode! It’s safe to say we’ve answered several thousand questions from kids all over the world. We asked our liste…
2 weeks ago
Why does my voice sound weird when it’s recorded?
Episode 299
How does our body make our voice? How do voice boxes work? What makes our voices so different? Why are boys' voices often lower than girls' …
4 weeks ago
What are fossils?
Episode 298
What is a fossil? How are they formed? Where are they found? What’s the oldest fossil, and what’s the biggest? When you think of a fossil yo…
1 month, 1 week ago
Where do constellations come from?
Episode 297
How are constellations formed? How many stars are there? What are stars made of? Why are there stars in the sky? Why are stars white? Why ar…
1 month, 3 weeks ago
Why does space have so many planets?
Episode 296
Join us on a tour of our solar system with John O’Meara, chief scientist at the W.M. Keck Observatory in Hawaii. We’ll answer all of your qu…
2 months, 1 week ago
Do animals play?
Episode 295
Have you ever seen your dog play with another dog? Have you seen squirrels chasing each other in the woods? Are they playing or are they doi…
2 months, 3 weeks ago
When was the first World Cup?
Episode 294
Right now, the 2026 FIFA men’s World Cup is happening across 16 cities in the United States, Canada and Mexico and it’s time to learn a litt…
3 months ago
How are video games made?
Episode 293
How are video games made? Who invented the concept? Why do games have levels? Who invented them? Why are game consoles so expensive? Why do …
3 months, 2 weeks ago
What is ADHD?
Episode 292
What is ADHD? How does ADHD affect the brain? Why do only some people have it? How can we control our brains? An estimated 11 percent of U.S…
4 months ago