This Animal Lays Eggs AND Has Live Young
Adults Biology
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.
The Truth About Petri Dishes
Adults Biology
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.
Why People Prefer More Pain
Adults Biology
We experimented to see how much pain our volunteers could handle.
7 Ways Humans Change Color
Adults Biology
We're all used to our bodies being more or less the color they always are.
Why fish are better at breathing than you are - Dan Kwartler
Adults Biology
Explore how fish use their gills to breathe, and how these processes make them some of the most efficient breathers on Earth.
These Iguanas Have An Unusual Mating Tactic
Adults Biology
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?
The Four Spheres Part 1
Youth Biology
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
Adults Biology
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
Adults Biology
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.
The Rock That's Helping Us Find the Origin of Life
Adults Biology
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.
Can you transplant a head to another body?
Adults Biology
Follow a neurosurgeon's attempts to perform a head transplant, and dig into the ethical and biological questions the procedure raises.
What Jumping Spiders Teach Us About Color
Adults Biology
How jumping spiders reveal an entire secret world of colors. Let BetterHelp connect you to a therapist who can support you - all from the comfort of your own home.
What Jumping Spiders Teach Us About Color
Adults Biology
How jumping spiders reveal an entire secret world of colors.
Plants Are Hardcore: Plant Anatomy & Physiology: Crash Course Biology
Adults Biology
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.
You have no free will at all | Stanford professor Robert Sapolsky
Adults Biology
How your biology and environment make your decisions for you, according to Dr. Robert Sapolsky.
Animal News: Loud Fish
Youth Biology
Researchers now know how a tiny fish called the Danionella cerebrum makes such a loud noise.
Loud Fish!
Youth Biology
Researchers now know how a tiny fish called the Danionella cerebrum makes such a loud noise.
What Is Earwax?
Youth Biology
Explore why earwax forms, its purpose in our health, and whether or not we should be trying to get rid of it.
The Wonderful World Of Insect Mouths
Kids Biology
In this episode, Jessi and Squeaks learn about the many kinds of mouths insects can have, and why they look so different!
Ocean Wonders: Aging In The Abyss
Youth Biology
Join us as we take a look at what it’s like to grow old in the ocean.
Our Instruction Manual for Existing
Adults Biology
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.