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Why are cockroaches so hard to kill? - Ameya Gondhalekar

AdultsAnimalsBiologyEducation...
Dig into the genetic adaptations of cockroaches, and find out what makes it so hard to get rid of these tenacious creatures.

Crash Course Anatomy & Physiology Preview

AdultsBiologyHumanScience...
We made flashcards to help you review the content in this series! Find them on the free Crash Course App!

Which Diets Actually Work?

AdultsBiologyFoodLife...
Debunking some common diets, and seeing which work!

The ingredient in almost everything you eat

AdultsFoodHumanScience...
Dig into the science of soy, and discover what makes soybeans such versatile plants and whether it’s healthy for you and the planet.

An Egg Is Just One Cell

AdultsBiologyFoodScience
One of Earth's biggest cells is one you're probably really familiar with.

Is Soil Alive?

AdultsEnvironmentLifeNature...
Soil doesn't seem like it's "alive", yet it functions like a living thing in lots of key ways.

The Venus Fly Trap’s Deadly Speed | Natural Born Killers | BBC Earth

AdultsEducationLifeNature...
On wrong step and these insects are snapped up!

Why do cats have vertical pupils? - Emma Bryce

AdultsAnimalsBiologyNature
Dive into the incredible diversity of animal pupils, and how the different shapes indicate the animal’s role in an ecosystem.

Sir David Attenborough Gives a Lesson on Seeds | The Green Planet | BC Earth

AdultsEcologyLifeNature...
Giant seeds, tiny seeds, floaty seeds and flying seeds. Sir David Attenborough gives us a quick biology lesson in all of them.

What Happens To Your Body When You Stop Drinking Alcohol

AdultsBiologyHealthHuman...
Drinking alcohol is one of the most popular things to do across the globe. Some people spend their entire weekends sitting at the bar, but consuming alcohol on a daily or weekly basis can have extremely negative effects on the body.

You Are Immune Against Every Disease

AdultsBiologyHumanScience...
You are not a person, you are a planet, made of roughly 40 trillion cells. There is so much of you, that if your cells were human-sized, you would be as big as 20 Mount Everests.

The Snowflake Mystery

AdultsLifeNatureScience...
Dr Ken Libbrecht is the world expert on snowflakes, designer of custom snowflakes, snowflake consultant for the movie Frozen - his photos appear on postage stamps all over the world.

Catching Criminals Using Their Relative's DNA

AdultsBiologyHumanScience...
Your genetic code is probably already in a database, without you ever giving a sample or permission.

You could have a secret twin (but not the way you think) - Kayla Mandel Sheets

AdultsBiologyHumanScience...
While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others.

Earth's mysterious red glow, explained - Zoe Pierrat

AdultsEducationScienceSpace...
Explore the phenomenon and uses of chlorophyll fluorescence, a small amount of light emitted by plants during photosynthesis.

This Virus Shouldn't Exist (But it Does)

AdultsBiologyEducationScience
Hidden in the microverse all around you, there is a merciless war being fought by the true rulers of this planet, microorganisms.

The rise of the planet of the trilobites - Nigel Hughes

AdultsAnimalsLifeNature...
Discover the creatures known as trilobites, one of Earth’s most successful early animals, and find out what led to their extinction.

Why Sharks Are Covered In Teeth

AdultsAnimalsLifeNature...
Sharks wouldn’t be known for their fierce teeth today if it weren’t for their ancient scales.

How Fevers REALLY Work

AdultsBiologyHealthHuman...
Fevers are one of our best weapons against infections, but they don't work like you might think.

Why It's Good To Have A Weak Hand

AdultsBiologyEducationHuman
We might have a strong hand because having a weak hand is actually useful.

Human Body 101 | National Geographic

AdultsBiologyHealthHuman
How does the human body work? What roles do the digestive, reproductive, and other systems play?