Why do clothes shrink in the wash?
Have you ever noticed how sometimes when you wash and dry a piece of clothing, it comes out a little smaller? Why does that happen? We asked science professor Dr. Mark Lorch to help us find the answer...
17 Tammi 20256min
Why don't ears have bones?
Are your ears burning? ‘Cause we’ve been thinking about them. Sure, they’re an incredible self-cleaning marvel that we can wax poetic about all day. Sure, they’re a great place for dads to store all k...
16 Tammi 20254min
How does antivenin work?
Some snakes make a chemical in their bodies called venom. They use it to hunt and protect themselves. Sometimes, if a human gets bitten by a snake, they need to take a special medicine called antiveni...
15 Tammi 20256min
Why are there holes in Swiss cheese?
Have you noticed that there’s a kind of cheese that’s holier than all the rest? Swiss! Why does it have all those holes anyway? We asked Jenny Eastwood of Small Goods to help us answer this delicious ...
14 Tammi 20254min
How do ping-pong balls bounce so high?
Ping pong is a super fun game. It’s like miniature tennis, where people use paddles to make balls fly across a table., and sometimes way, way up in the air! But how do those tiny plastic balls manag...
13 Tammi 20255min
How does gasoline turn into exhaust?
Lots of cars, trucks and buses are powered by gasoline. You put the gasoline in a little hole on the side of the vehicle, it powers the engine and then it comes out of the tailpipe as exhaust fumes. B...
10 Tammi 20256min
What happens in our bodies when we are sick?
Let’s say you wake up on a Tuesday morning feeling fine and fresh. But by the end of the night your throat hurts, you’re coughing, and there’s snot dripping from your nose. What happened in the course...
9 Tammi 20257min
Why do some trees grow taller than others?
There are all different kinds of trees in the world, from towering redwoods to tiny willow trees smaller than an action figure. Why are there so many different sizes of trees, anyway? We asked tree ex...
8 Tammi 20256min
