Podcast Episodes
Back to SearchWhy do we need glasses?
Episode 226
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 a…
2 years, 1 month ago
Why do we have two eyes if we only see one image?
Episode 225
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 bl…
2 years, 1 month ago
What if the world started spinning backward?
Episode 224
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 …
2 years, 2 months ago
What makes you happy?
Episode 223
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…
2 years, 2 months ago
What's it like to be bilingual?
Episode 222
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 episo…
2 years, 3 months ago
How are electric guitars made?
Episode 221
How are electric guitars made? How are guitar strings made? And how, exactly, do guitars work? We’re answering questions about electric guit…
2 years, 3 months ago
Why are pandas black and white?
Episode 220
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…
2 years, 4 months ago
Why do we celebrate birthdays?
Episode 219
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…
2 years, 4 months ago
Why do we like being scared?
Episode 218
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 sc…
2 years, 5 months ago
How is meat made in a lab?
Episode 217
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 laborat…
2 years, 5 months ago