A Tour of the Cell: Crash Course Biology #23
AdultsBiologyEducationHumanScience... The cell is the basic unit of life, and our understanding of it has advanced as science, and the tools available to scientists, has advanced.
Everyone Was Wrong About Avocados - Including Us
AdultsAnimalsLifeNatureScienceBiology... If you’re a fan of avocados, you might have heard that they only exist thanks to prehistoric creatures called giant ground sloths.
How Did Life Begin? (Evolutionary History): Crash Course Biology #16
AdultsEducationScienceSelfBiologyEvolution... Humans may have been around for a long time, but life has existed for way longer. In this episode of Crash Course Biology, we’ll journey through deep time to uncover the history of life on Earth.
Why Did It Take Us So Long?
AdultsLifeNatureScienceBiologyEcology... We've long known that animal pollination is an important way plants reproduce on land, but we're only JUST finding out animals also pollinate plants underwater.
The World's Longest Beak
AdultsAnimalsMediaNatureBiology... The sword-billed hummingbird has exclusive access to food that other birds simply cannot reach, but having such a long bill does have its drawbacks.
Why So Many Ladybugs Don't Look Like Ladybugs
AdultsAnimalsLifeNatureBiologyEvolution... Ladybugs are red with black spots, right? Well, not always. There's a lot of genetic and evolutionary reasons that they can be different colors with wacky patterns.
Sense-Abilities | Weird But True!
KidsBiologyEducationHumanScience... Watch the full episode of Weird But True, Season 1 Episode 11, "Sense-Abilities"! Did you know that when you smell something, molecules of whatever you’re smelling are actually entering your nose?!
Is Bigger Better?
AdultsAnimalsLifeNatureScienceBiology... Elephants might be strong, but they are weak compared to ants because ants have certain advantages that allow them to outlift their larger competitors.
Why Can't I Grow More Teeth?
AdultsBiologyEducationHumanScience... How come sharks get to have endlessly regrowing teeth when humans only get one set our entire lives? And how come some other mammals get to cheat the system? From elephants to baboons, we'll learn why teeth don't grow back.