Moment of Um

A podcast by American Public Media

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190 Episodes

  1. What are eyebrows for?

    Published: 2/29/2024
  2. What do germs and bacteria eat?

    Published: 2/28/2024
  3. If hair is dead, how does it grow?

    Published: 2/27/2024
  4. Why do we need toes?

    Published: 2/26/2024
  5. Where do carrot seeds come from?

    Published: 2/23/2024
  6. Why is air invisible?

    Published: 2/22/2024
  7. Do cockroaches have hearts?

    Published: 2/21/2024
  8. How do shoelaces come untied?

    Published: 2/20/2024
  9. Why are some people lactose intolerant?

    Published: 2/19/2024
  10. How many germs could we see without a microscope?

    Published: 2/16/2024
  11. Why do crickets chirp?

    Published: 2/15/2024
  12. What would happen if you took a party balloon to space?

    Published: 2/14/2024
  13. Why does the moon change colors?

    Published: 2/13/2024
  14. What happens if you put too much yeast in bread?

    Published: 2/12/2024
  15. Why do we use toothpaste?

    Published: 2/9/2024
  16. What's the sourest thing in the world?

    Published: 2/8/2024
  17. What's inside teeth?

    Published: 2/7/2024
  18. Why don't pine trees lose their needles in the winter?

    Published: 2/6/2024
  19. Why do different countries have different flags?

    Published: 2/5/2024
  20. Why do we need punctuation marks?

    Published: 2/2/2024

8 / 10

Moment of Um is your daily answer to those questions that pop up out of nowhere and make you go… ummmmmmm. Brought to you by your friends at Brains On at APM Studios.