Why do our ears pop on airplanes?
Have you ever been on an airplane and noticed that pressure in your ears? And then, as you’re taking off…they pop! Just like a balloon or a bubble or a freshly opened can of dough! Why does that happe...
20 Feb 20254min
Why does the bowl get hotter than the food in the microwave?
If you’ve ever grabbed a flaming hot bowl of soup out of the microwave and then slurped a spoonful of icy liquid from the middle of it, you’re not alone. In fact, it feels like one of life’s great mys...
19 Feb 20256min
How do frogs' tongues stretch so far?
Ever wish you had a frog's tongue? You wouldn’t even have to pick up a cookie with your hand…your tongue would grab it for you! How amazing is that? But really, how DO frog tongues stretch so far? We ...
18 Feb 20255min
When did people start wearing makeup?
Colored eyeshadow, glossy lipstick, rosy blush – people use all sorts of makeup to change how they look. But when did we start using makeup? And how has it changed over time? We asked archaeologist an...
17 Feb 20259min
How do minerals form in caves?
Caves are full of amazing stuff: bats, hidden passageways and of course – spectacular rock formations! So where do these rock structures come from? We asked geologist Hazel Barton to help us find the ...
14 Feb 20257min
How do sticks make fire?
People rubbing two sticks together and a fire magically appearing is a common thing you might see in movies or on television. But does it actually work? We asked engineer Vi Rapp to help us find the a...
13 Feb 20255min
How do green screens work?
Movies can take us to extraordinary places, sometimes using technology! Filmmakers create new worlds, incredible creatures, and mind-bending action scenes using something called a green screen. A gree...
12 Feb 20257min
Do babies understand words?
Babies. They’re cute little peanuts, huh? Babbling and drooling while their parents talk to them in widdle baby voices. But do babies understand what people say to them? When do they start learning ho...
11 Feb 20256min
