Why didn't sharks go extinct like dinosaurs?
If sharks were around in the time of dinosaurs, how are they still here today when dinosaurs have gone extinct? Were some just really, really good at hiding from the asteroid that hit Earth? For this ...
17 Loka 20247min
Why do volcanoes go dormant?
A volcano forms when the hot melted rock deep under the Earth’s crust bubbles to the surface and breaks through. Sometimes, a volcano will go from active to dormant, meaning it doesn’t erupt anymore. ...
16 Loka 20246min
What is the flavor of root beer?
A lot of people like root beer! But it’s kind of hard to describe, right? It’s really got a unique taste. We asked Ashley Rose-Young, a historian from the Smithsonian's Museum of Natural History, to h...
15 Loka 20246min
How does your body make a fever?
Our body has lots of ways to fight off the germs that make us sick. One of those ways is to crank up our internal temperature to make it too hot for harmful bacteria to survive. This is called a fever...
14 Loka 20246min
How do QR codes work?
QR codes are little black-and-white squares that you might have seen on food packages, movie tickets, restaurant menus, and lots of other places. You take a picture of the code with your smartphone an...
11 Loka 20246min
How do solar panels work?
Solar panels absorb light from the sun and turn it into electricity. They can power everything from a calculator to a whole country! How does this sunny science sorcery work? We asked solar power expe...
10 Loka 20245min
How do 3D printers work?
3D printers are pretty awesome. Unlike the machines that print pictures or words on paper, 3D printers can create things you can hold in your hand – like fun-shaped food, cameras and even guitars. So ...
9 Loka 20246min
What makes a computer a computer?
Computers are awesome machines. They help us do so many things – from looking up facts to watching hilarious videos. But what exactly makes a computer a computer? We asked computer engineer Sam Dicker...
8 Loka 20246min
