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How much does the moon weigh?
Episode 176
We’re bringing back an episode from the archives, all about the moon: Why does the moon change shape? How much does it weigh? What color is …
3 years, 11 months ago
Why is Russia invading Ukraine?
Episode 175
The invasion of Ukraine has been the top story in the news for the last few weeks, and kids around the world are asking questions about what…
4 years ago
How did people keep food cold in olden times?
Episode 174
Violet, 5, wants to know: what was life like before refrigerators? And Ellinor, 6, asks: how did they make ice in the old times? In this epi…
4 years ago
Why is the heart a symbol of love?
Episode 174
Why is the heart a symbol of love? Why do people draw hearts when they love someone? Why do we draw hearts the way we do when they're nothin…
4 years, 1 month ago
How are images chosen for coins?
Episode 172
The U.S. Mint is producing a new series of quarters featuring American women. The first one, featuring poet Maya Angelou, has just been rele…
4 years, 1 month ago
Why does the wind blow?
Episode 171
What causes wind? How is wind created? Why does the wind blow in different ways? How does the wind start blowing and what makes it stop? Wh…
4 years, 2 months ago
What would you invent? Ideas from kids
Episode 170
We asked our listeners: if you could invent anything what would it be? And we got so many fantastic ideas from kids all over the world: a so…
4 years, 2 months ago
Why do seasons change?
Episode 169
Why do seasons change? Why does it get darker earlier in the winter and why is there more daylight in the summer? Why are some seasons warm …
4 years, 3 months ago
How are babies made?
Episode 168
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 wor…
4 years, 3 months ago
Do skyscrapers scrape the sky?
Episode 167
Why is the Burj Khalifa so tall? That’s what 5-year-old Simon wants to know. The Burj Khalifa is the tallest building in the world and it’s …
4 years, 4 months ago