How Does A Wombat Poo In Cubes?
Youth Biology
Unlike some might believe, wombat's don't have square shaped bottoms, so how do they poo in cubes?
Why Do Butterflies Bother Being Caterpillars?
Adults Biology
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.
The Dirt On Decomposers
Youth Biology
In this episode of Crash Course Kids, Sabrina talks about how everything starts... and ends. Decomposers!
We Only Discovered This 10 Years Ago
Adults Biology
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
Youth Biology
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
Youth Biology
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
Adults Biology
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.
Are there any places on Earth with no bugs? - Charles Wallace
Adults Biology
Travel to some of the most extreme environments on Earth and see how insects are able to employ their skills to survive.
What Happens When Predators Disappear?
Adults Biology
A world without predators. It sounds like a safer, happier world, but come on, this is SCIENCE…
There Is Something Hiding Inside Earth
Adults Biology
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?
Youth Biology
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?
Groundbreaking chemist defines all of life in 2 words | Lee Cronin
Adults Biology
What is life, really? Despite our scientific advancements, we still don’t really know.
Why Is Alzheimer's Disease So Difficult To Treat?
Youth Biology
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?
The Species That Broke Evolution?
Adults Biology
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.
Vegetation Transformation
Youth Biology
In this episode, Sabrina talks about how photosynthesis works!
5 Ways CRISPR Is About to Change Everything
Adults Biology
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
Adults Biology
Explore how a toxin-producing bacterium causes tetanus, and how to identify its common symptoms and best prevention practices.
Why There Are No King Bees
Adults Biology
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?
ALL Plants Have Color Vision?!
Adults Biology
Plants can tell when competitors are nearby because they can see them.
This Disease is Deadlier Than The Plague
Adults Biology
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?
Youth Biology
Explore the complex anatomy of the elbow, and find out why hitting your funny bone causes such an odd and painful sensation.