Moment of Um
American Public Media
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.
Why is air invisible?
Do cockroaches have hearts?
How do shoelaces come untied?
Why are some people lactose intolerant?
How many germs could we see without a microscope?
Why do crickets chirp?
What would happen if you took a party balloon to space?
Why does the moon change colors?
What happens if you put too much yeast in bread?
Why do we use toothpaste?
What's the sourest thing in the world?
What's inside teeth?
Why don't pine trees lose their needles in the winter?
Why do different countries have different flags?
Why do we need punctuation marks?
Why do words sound funny when repeated?
How does concrete harden?
Do spiders poop?
When were coupons invented?
How does a touch screen work?