The Radium Worked Until His Jaw Fell Off
AdultsBiologyHistoryScience We'd like to thank Luciteria for the loan of the element samples and the display in today’s episode.
What Happens When Predators Disappear?
AdultsBiologyEcologyScience A world without predators. It sounds like a safer, happier world, but come on, this is SCIENCE…
Why Don't Snakes Poison Themselves?
AdultsAnimalsLifeNatureBiologyScience Many animal species stuff themselves with toxic chemicals for protection, which forces them to use a handful of distinct strategies to avoid becoming victims of their own weapons.
We Fell For The Oldest Lie On The Internet
AdultsBiologyHumanScienceFactsHealthInternet CultureMedia “Your blood vessels stretch a staggering 100,000 kilometers, enough to wrap around Earth twice!" Sounds amazing, right? We spent over a year trying to confirm this claim, and let's just say – things aren't as they seem.
The real reason polio is so dangerous
AdultsHealthHistoryHumanBiologyScience Explore what makes polio so dangerous, what is causing the 21st century resurgence of cases, and how we can eradicate the disease.
Why Do Butterflies Bother Being Caterpillars?
AdultsAnimalsLifeNatureEvolutionBiology It seems wild that some animals basically trade in their bodies for new ones during their lifetime, but it's actually really common – and it makes a lot of sense.
How Does A Wombat Poo In Cubes?
YouthAnimalsFunnyScienceBiology Unlike some might believe, wombat's don't have square shaped bottoms, so how do they poo in cubes?
We Only Discovered This 10 Years Ago
AdultsEducationHistoryBiologyEvolutionScience Most living things on Earth need oxygen to survive, but scientists discovered a species of bacteria that uses oxygen totally differently from every other organism on Earth.
A Cute But Creepy Tiny Predator
YouthAnimalsEnvironmentNatureBiologyScience Despite their tiny size, tarsiers are excellent nocturnal hunters. With large eyes that enable them to see well in the dark and advanced hearing combined with huge hands, catching prey is almost too easy.
Fabulous Food Chains
YouthEcologyEducationScienceBiologyFood In this of Crash Course Kids, Sabrina talks about the way energy moves, or flows, through an ecosystem and how that movement forms Food Chains!
You've Never Heard of the World's Most Common Mineral
AdultsEducationScienceWorkWorldEnergyEnvironmentTechnologyGeologyBiology The most common substance in the world is literally IN the world. It's a mineral called bridgmanite, and it belongs to a class of minerals (called perovskites) that scientists are trying to use in the next generation of solar panels.