If you filled a lake with lemonade, would it rain lemonade? This delicious head-scratcher does not have a straightforward answer. It’s one-part water cycle, one-part delicious drink and if we’re lucky, one-part lemonade rain.
X-rays, part of the electromagnetic spectrum, help doctors see our bones — but they also help scientists understand the very smallest particles and the most massive black holes.
Most plants get the energy and nutrients they need from water, sunlight, air and soil. But carnivorous plants get key nutrients from a different source: bugs. We’ll find out how they do it and talk about the mystery of how venus fly traps snap shut.
What should producers Marc Sanchez and Sanden Totten debate this time? Lasers vs. Fire? Left brain vs. Right brain? Chocolate vs. Vanilla? Vote!
How does the moon control the tides? Where do waves come from? And what’s it like to live in a tide pool?
The process that turns sand into glass is very cool – or rather, we should say very hot. Very, very, very hot as it turns out. Humans have been turning minerals from the earth’s crust into glass for 3,500 years. Find out how it’s done and how it’s evolved – from blowing glass by hand to a factory that makes hundreds of glass bottles every minute. Plus: The mystery sound!
Pollen, peanuts, dust mites. These things aren’t poisonous – so why do some people’s bodies act like they are? In this episode, we’ll find out what happens during an allergic reaction and hear about new treatments.
How and why do mosquitoes suck our blood? Why do their bites itch ALL the time? Why do some people get bitten more than others? And do these pesky and possibly dangerous insects serve any kind of useful purpose?
How do planes stay in the air? And how did humans figure out that it wasn’t enough to just strap wings to our arms and flap them like birds?
Have you ever wondered about what’s beyond the edge of the universe? Or maybe a better question: is there even an edge of the universe? And what does it mean that the universe is expanding? Nine-year-old Thea talks with astrophysicist Katie Mack to find answers to her many questions about the universe.