How do vacuum cleaners work?
Vacuums are like magic. You press a button and POOF – they can suck up all kinds of stuff: crumbs, cat fur, even coconut shrimp. But how do these handy dandy machines work? We asked mechanical enginee...
18 Maalis 20245min
Would a flashlight turn on at lightspeed?
What do a cheetah, a rocket ship, and champion sprinter Usain Bolt have in common? If you guessed they’re all way slower than your average beam of light, you’re correct! Nothing in our universe move...
15 Maalis 20245min
Why do we jump when we get scared?
If you’ve ever jumped right out of your seat when watching a scary movie, you know that sometimes your body has a reaction to being surprised or frightened. One of our listeners wanted to know why tha...
14 Maalis 20244min
How do microphones work?
Imagine this: you’re at a karaoke competition. You grab the microphone, belt out your favorite song, and the crowd goes wild! Everyone can hear your voice, thanks to your handy dandy microphone. But h...
13 Maalis 20245min
Why do our lips get chapped?
We’ve all suffered with chapped lips in the winter: itchy, flaking, sometimes even bleeding. Yikes! One of our listeners wanted to know how this happens, so we asked dermatologist Roxana Daneshjou to ...
12 Maalis 20244min
Do eyeballs grow?
Eyeballs! They’re squishy orbs in our skulls, made of lots of different parts that work together to send visual information to our brain. But do they get bigger as we grow from babies to adults? We as...
11 Maalis 20244min
How do mushrooms grow if they don’t have seeds?
Have you ever gone outside after a rainy day and seen mushrooms growing in the grass or on tree trunks? How do they get there? We asked urban agriculture specialist Yolanda Gonzalez to help us find th...
8 Maalis 20246min
Do fish have allergies?
Most of us have some experience with allergies: maybe it’s pollen or a pet that makes us sneeze, or maybe there are certain foods we can’t eat. But do other creatures have allergies too? Are fish snif...
7 Maalis 20245min
