Why is pee yellow?
Pee is super cool! It’s 95% water. It’s sterile. And it can be a window into our overall health. But why is it yellow? We asked mechanical engineer Patricia Yang to help us find the answer. Got a Mome...
30 Touko 20244min
Why were animals bigger in the past?
All different kinds of giant prehistoric creatures used to walk the Earth, from 20-foot-tall sloths to sharks longer than a school bus.. They all seem huge in our imaginations, but were animals in the...
29 Touko 20246min
Why do sharks have to keep moving to stay alive?
If there’s one thing that’s generally known about sharks, it’s that they have sharp teeth. But have you heard they have to keep moving to stay alive? Why is that? In this episode we talk to shark scie...
28 Touko 20244min
How does your skin make a rash?
When our skin gets irritated, it reacts! And sometimes a rash appears. Rashes can be red, itchy, painful and bumpy… But how does our skin make them? We asked pediatrician Dr. Anjuli Gansto help us fin...
27 Touko 20245min
What’s the difference between AM and FM radio waves?
Radios are like magical devices. You just flip a switch and BAM, you can listen to everything from punk rock to world news. But how exactly does a radio work? And what’s the difference between AM and ...
24 Touko 20245min
Why does ice help with swelling?
If you’ve ever banged your knee pretty badly, you might have noticed the knee swells up to larger than its normal size. To ease your pain and make the swelling go down, maybe someone handed you an ice...
23 Touko 20245min
Why are spicy foods spicy?
Lots of people love spicy food for that tongue-tingling feeling. But where does it come from? What’s happening in our mouths when we bite down on a jalapeño or chili flake? We asked taste and smell re...
22 Touko 20245min
Why does the sun stay in one place?
Earth is always moving around the sun, but does the sun move too? Or is it fixed in one place in the cosmos? In this episode, we talk to astrophysicist Brittany Kamai to get to the heart of this issue...
21 Touko 20244min
