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Where Do Teeth Come From?

AdultsBiologyBiotechnologyScience
Teeth. We’ve all got ‘em (most of us, anyway). But how do they grow? Teeth are made from some biological nanotechnology that will blow your mind.

Strapped into a sinking helicopter

AdultsScienceAdventureHuman
I graduated from Advanced Helo Underwater Egress Training at Marine Corps Base Hawaii.

What If The Sun Disappeared For One Month?

AdultsScienceEnvironmentSpace...
What if the sun goes out right now?

Why Snakes Are Disappearing From Southeast Asia’s Largest Lake

AdultsAnimalsEnvironmentScience...
Some vulnerable species of water snakes are disappearing due to overfishing in the world’s most biodiverse lake—the Tonle Sap, in Cambodia.

Unbelievable Myths From The 1980s DEBUNKED!

AdultsHistoryScienceCulture...
What crazy things did we believe back in the 1980s?

The Secret Weapon That Could Help Save Bees

AdultsAnimalsNatureScience...
Honeybees are dying from parasites, pesticides, and poor nutrition, but we can help them in a number of ways, including by encouraging them to make a homemade antibiotic.

What if cracks in concrete could fix themselves?

AdultsConstructionScienceTechnology...
Concrete is the most widely used construction material in the world. It can be found in swathes of city pavements, bridges that span vast rivers and the tallest skyscrapers on earth.

Why Meat is the Best Worst Thing in the World

AdultsFoodLifeScience...
Meat is a complicated issue. But also a delicious one. Let's talk about it.

What If You Only Took Naps?

AdultsHealthScienceSelf
Just what exactly would happen to your body if instead of sleeping you decided to only take naps. - Thanks to LastPass for sponsoring this video!

What's a smartphone made of?

AdultsEnvironmentTechnologyGadgets...
As of 2018, there are around 2.5 billion smartphone users in the world. If we broke open all the newest phones and split them into their component parts, that would produce around 85,000 kg of gold, 875,000 of silver, and 40,000,000 of copper.

Should You Hover Or Cover The Toilet Seat?

AdultsHealthScience
Is the toilet seat really all that dirty or dangerous?

Cannon Shock Waves in Ultra Slow Motion

AdultsPhotographyTechnologyScience...
What does a cannon ball look like being shot in super slow motion?

Beware The Phaser's Maximum Setting

AdultsScienceTV
Star Trek helped introduce enemies getting vaporized thanks to their phasers and weaponry, but is the real thing much worse? Kyle has the disappearing details on this week's Because Science!

The Scientific Benefits of Boredom

AdultsCreativitySciencePsychology...
Boredom makes you more creative, altruistic, introspective, and helps with autobiographical planning.

What Do Raindrops Really Look Like?

AdultsScienceTechnologyNature
What do raindrops look like? Exactly how we drew them as kids, right? Wrong! Teardrop-shaped rain is physically impossible. This week I went inside a vertical wind tunnel to bring you the true shape of rain.

Could You Live Without A Body?

AdultsArtificial IntelligenceNeuroscienceScience
Could uploading our consciousness to the internet be the key to living forever?

Is Height All In Our Genes?

AdultsHealthScienceGenetics
I'm tall. Most of the people in my family are tall. Does that mean my son will be tall? Turns out the inheritance of height is a lot more complicated than we thought.

Can You Spot The Liar?

AdultsLifeScience
Could you catch someone in a lie? It's harder than you think!

Could the Earth be swallowed by a black hole?

AdultsScienceSpaceWorld
From asteroids capable of destroying entire species to supernovae that could exterminate life on Earth, outer space has no shortage of forces that could wreak havoc on our planet.

How We Could Build a Moon Base TODAY

AdultsScienceSpaceTechnology
Did you know that we could start building a Lunar Base today?

What If The World Lost Oxygen For 5 Seconds?

AdultsScienceWorld
How long could you survive without oxygen?