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There Is Something Hiding Inside Earth

AdultsEducationScienceBiology...
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?

Groundbreaking chemist defines all of life in 2 words | Lee Cronin

AdultsLifePhilosophyScience...
What is life, really? Despite our scientific advancements, we still don’t really know.

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?

The Species That Broke Evolution?

AdultsHealthHistoryScience...
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

YouthNatureScienceBiology
In this episode, Sabrina talks about how photosynthesis works!

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.

Why There Are No King Bees

AdultsAnimalsLifeNature...
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?!

AdultsAnimalsLifeNature...
Plants can tell when competitors are nearby because they can see them.

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.

This Animal Lays Eggs AND Has Live Young

AdultsAnimalsLifeNature...
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.

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.

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.

Why People Prefer More Pain

AdultsBiologyPsychologyScience...
We experimented to see how much pain our volunteers could handle.

7 Ways Humans Change Color

AdultsBiologyFoodHealth...
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

AdultsAnimalsBiologyHuman...
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

AdultsAnimalsLifeNature...
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?

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?

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.

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.