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
YouthAnimalsEnvironmentNatureBiology... 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!
There Is Something Hiding Inside Earth
AdultsEducationScienceBiologySpace... 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.
What Is Sickle Cell Disease?
YouthBiologyGeneticsScience... You have around 35 trillion red blood cells moving around your body at all times. Typically they are rounded and flexible. What happens when they aren’t?
Why Is Alzheimer's Disease So Difficult To Treat?
YouthBiologyHealthScience... While doctors have studied Alzheimer’s for decades, there is still no effective preventive treatment or cure. So, why is Alzheimer’s disease so difficult to treat?
5 Ways CRISPR Is About to Change Everything
AdultsBiologyBiotechnologyHuman... 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.
Why is it so dangerous to step on a rusty nail? - Louise Thwaites
AdultsBiologyHealthHuman... Explore how a toxin-producing bacterium causes tetanus, and how to identify its common symptoms and best prevention practices.
This Disease is Deadlier Than The Plague
AdultsBiologyHistoryHuman... The white death has haunted humanity like no other disease following us for thousands, maybe millions of years.
Why Does Hitting Your Funny Bone Feel...Funny?
YouthBiologyHealthHuman... Explore the complex anatomy of the elbow, and find out why hitting your funny bone causes such an odd and painful sensation.
Why fish are better at breathing than you are - Dan Kwartler
AdultsAnimalsBiologyHuman... Explore how fish use their gills to breathe, and how these processes make them some of the most efficient breathers on Earth.
The Four Spheres Part 1
YouthBiologyNatureScience... In this episode of Crash Course Kids, Sabrina talks about two of the four spheres that make up our planet; The Geosphere and the Biosphere.
Why Broken Hearts Hurt — and What Heals Them | Yoram Yovell | TED
AdultsBiologyHealthHuman... What's the relationship between physical and mental pain, and how can you ease both?
How Skin, Snot, and Cells Keep Us Healthy: Animal Defense Systems: Crash Course Biology #45
AdultsBiologyHealthHuman... 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.
Can you transplant a head to another body?
AdultsBiologyHealthTechnology... Follow a neurosurgeon's attempts to perform a head transplant, and dig into the ethical and biological questions the procedure raises.
You have no free will at all | Stanford professor Robert Sapolsky
AdultsBiologyHumanPsychology... How your biology and environment make your decisions for you, according to Dr. Robert Sapolsky.
What Is Earwax?
YouthBiologyHuman Explore why earwax forms, its purpose in our health, and whether or not we should be trying to get rid of it.
Ocean Wonders: Aging In The Abyss
YouthBiologyNatureWorld... Join us as we take a look at what it’s like to grow old in the ocean.