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What Happens When Predators Disappear?

AdultsAnimalsLifeScienceEcologyNatureBiologyEnvironment
A world without predators. It sounds like a safer, happier world, but come on, this is SCIENCE…
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There Is Something Hiding Inside Earth

AdultsEducationScienceBiologySpaceNature
We’ve found a new planet, home to octillions of the most extreme beings living in the most absurd and deadly hellscape. In absolute darkness, crushed by the weight of mountains, starved of oxygen, cooked alive, bathed in acid, salt or radiation.
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Groundbreaking chemist defines all of life in 2 words | Lee Cronin

AdultsLifePhilosophyScienceBiology
What is life, really? Despite our scientific advancements, we still don’t really know.
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The Species That Broke Evolution?

AdultsHealthHistoryScienceBiologyEvolution
The ancestors of gars, horseshoe crabs and coelacanths looked almost the same as their modern relatives. Darwin called species like these “living fossils'' because they seem like they are evolutionarily frozen in time. But Darwin was wrong.
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5 Ways CRISPR Is About to Change Everything

AdultsBiologyBiotechnologyHumanScienceHealth
CRISPR-based gene therapies are already changing healthcare for things like sickle cell disease. But CRISPR is bigger than just medicine, and it could revolutionize everything from food and agriculture to green energy fuels to plastics.
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Why is it so dangerous to step on a rusty nail? - Louise Thwaites

AdultsBiologyHealthHumanScience
Explore how a toxin-producing bacterium causes tetanus, and how to identify its common symptoms and best prevention practices.
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Why There Are No King Bees

AdultsAnimalsLifeNatureBiology
Beehives always have a queen, who is the mother of the entire hive. But have you ever wondered, what happened to the king, if there was ever any? Can a male bee become a king?
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ALL Plants Have Color Vision?!

AdultsAnimalsLifeNatureScienceBiology
Plants can tell when competitors are nearby because they can see them.
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This Disease is Deadlier Than The Plague

AdultsBiologyHistoryHumanHealthScience
The white death has haunted humanity like no other disease following us for thousands, maybe millions of years.
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This Animal Lays Eggs AND Has Live Young

AdultsAnimalsLifeNatureBiology
You might think that an animal either lays eggs or has live young. But these species prove it's a lot more complicated than that.
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The Truth About Petri Dishes

AdultsEducationScienceBiology
One of the best ways of studying bacteria is to grow them on a petri dish, but only a tiny percentage of bacterial species will grow on them.
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These Iguanas Have An Unusual Mating Tactic

AdultsAnimalsLifeNatureBiology
Crested iguanas were discovered on Fiji in 1979, and since then we've learned a lot about their behaviour, including their strange mating rituals. But how exactly did they end up on such a remote island in the first place?
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Why Broken Hearts Hurt — and What Heals Them | Yoram Yovell | TED

AdultsBiologyHealthHumanMental HealthScience
What's the relationship between physical and mental pain, and how can you ease both?
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How Skin, Snot, and Cells Keep Us Healthy: Animal Defense Systems: Crash Course Biology #45

AdultsBiologyHealthHumanScience
The world is full of microbes and viruses that can get us sick, but we’ve got an Avengers-style defense system ready to take them on.
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The Rock That's Helping Us Find the Origin of Life

AdultsHistoryLifeScienceBiologySpace
Epidote might just look like a pretty little crystal, but it has a secret. thanks to the high-pressure circumstances where it forms, we can use it to help us uncover the origins of life on our planet, and maybe even find signs of life on Mars.
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Can you transplant a head to another body?

AdultsBiologyHealthTechnologyHumanScience
Follow a neurosurgeon's attempts to perform a head transplant, and dig into the ethical and biological questions the procedure raises.
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What Jumping Spiders Teach Us About Color

AdultsAnimalsLifeNatureScienceBiology
How jumping spiders reveal an entire secret world of colors.
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Plants Are Hardcore: Plant Anatomy & Physiology: Crash Course Biology

AdultsLifeNatureWorldScienceBiologyEducation
Plants may not seem like they’re doing much, but if you look closer, you’ll find a whole world just lurking beyond the surface.
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You have no free will at all | Stanford professor Robert Sapolsky

AdultsBiologyHumanPsychologyScience
How your biology and environment make your decisions for you, according to Dr. Robert Sapolsky.
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Our Instruction Manual for Existing

AdultsBiologyHistoryHumanScience
Your DNA contains all the instructions your body needs to function. In this episode of Crash Course Biology, we’ll figure out what this giant instruction manual looks like and how this three-billion-letter code gets copied into your trillions of cells through DNA replication.
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Why Are All Humans Unique? Meiosis: Crash Course Biology

AdultsBiologyHumanScienceEducation
Ever wonder why we aren’t exact clones of our parents, or why siblings aren’t exactly alike? The reason traces back to meiosis. In this episode of Crash Course Biology, we’ll discover how egg and sperm cells get made and learn why you’re a totally unique remix of your parents’ DNA.