How are computers programmed with ones and zeros?
Computers can do all sorts of amazing things, from solving complicated math problems to showing us videos of dancing birds. Computers do all that thanks to something called “binary code”, which is a c...
7 Loka 20246min
Is there sound in the universe?
Our world is full of sound, but what happens when we leave Earth’s atmosphere? Is it true that there’s no sound in space, or are there ways to listen to the universe? We asked NASA scientist Dr. Kimbe...
27 Syys 20247min
Why does dust make us sneeze?
There are lots of reasons to sneeze - you have a cold, you get a whiff of pepper or someone tickles your nose with a feather! But why is it that dust makes us sneeze? We asked otolaryngologist Laura O...
26 Syys 20244min
Do all rocks have iron in them?
Iron is a metal that we dig out of the ground and use to make everything from kitchen knives to skyscrapers. Most of the iron we use comes out of rocks. But do all rocks have iron in them? We asked ge...
25 Syys 20245min
Can muscles break like bones do?
If you’ve ever had the unfortunate experience of breaking a bone, it’s not the most fun. But can muscles break in the same way bones can? One listener was wondering about this, and physical therapist ...
24 Syys 20245min
Why do fevers give you chills?
Sometimes when we get sick, our body reacts by cranking up our internal temperature to make a fever. This helps get rid of invading bacteria or viruses. But sometimes when you have a fever, you feel c...
23 Syys 20246min
Why aren’t hermit crabs born with shells?
Hermit crabs carry their shells with them wherever they go…but they don’t make their own shells! Unlike other species of crab, hermit crabs use shells from other animals for protection. So why aren’t ...
20 Syys 20246min
Why is being right-handed more common?
Are you left-handed or right-handed? Chances are you’re right handed, because more people are (though if you’re left-handed, that’s cool too!). So why are more people right-handed? We asked paleontolo...
19 Syys 20247min
