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How Engines Work - Smarter Every Day

Adults Science Technology
See Through engine in slow motion.

All That We Share

Adults Culture Human Society
We live in a time where we quickly put people in boxes. Maybe we have more in common than what we think? Introducing All That We Share. The English version.

The Immune System Explained I - Bacteria Infection

Adults Biology Health Human
Every second of your life you are under attack. Bacteria, viruses, spores and more living stuff wants to enter your body and use its resources for itself. The immune system is a powerful army of cells that fights like a T-Rex on speed and sacrifices itself for your survival.

Why Earth Is A Prison and How To Escape It

Adults Physics Space World
We are trapped on earth. Controlled by an ancient debt to the universe...

Commas - Intermediate English with Shaun #44

Adults Smrt Live
Watch this course live for free on YouTube every Friday at 17:00 GMT.

The myth behind the Chinese zodiac - Megan Campisi and Pen-Pen Chen

Adults Religion Spirituality
What's your sign? In Western astrology, it's a constellation determined by when your birthday falls in the calendar. But according to the Chinese zodiac, it's your shuxiang, meaning the animal assigned to your birth year.

Electromagnetic Levitation Quadcopter

Adults Physics Technology
Spinning magnets near copper sheets create levitation!

What If We Have A Nuclear War?

Adults Global Warming Technology World
What would happen if a nuclear weapon was dropped near you?

Chainsaw Art // 60 Second Docs

Adults Art Creativity
There's something dangerous about Stacy Poitras' sculptures. One mistake while carving could result in a ruined chainsaw carving...or even worse. But that's to be expected when he's using a chainsaw as a paintbrush.

Gordon Ramsay Is Stunned by Farmed Caviar; Makes Lobster & Caviar Salad

Adults Creativity Food Business
Gordon heads to Spain to visit a sustainable sturgeon farm, and experiences first hand how much caviar can be produced from just one fish. He then whips up a lobster and potato salad with truffle mayonnaise and caviar to top it all off. Indulgent.

How do animals experience pain?

Adults Animals Biology
Humans know the surprising prick of a needle, the searing pain of a stubbed toe, and the throbbing of a toothache. We can identify many types of pain and have multiple ways of treating it - but what about other species?

This Terrifying Worm Snatches Fish from the Ocean Floor

Adults Animals Nature
Sand strikers, also known as bobbit worms, are primitive-looking creatures that lack eyes, or even a brain. Despite this, they are savage predators who shoot out grapple-like hooks to reel in passing fish.

A brief history of numerical systems

Adults History Math
1, 2, 3, 4, 5, 6, 7, 8, 9... and 0. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten of them?

Is Hand Sanitizer Actually Bad For You?

Adults Biology Health
Should you stop using hand sanitizer?

Hydrogel: The Future Of The 'Smart Band-Aid'

Adults Science Technology
Engineers at MIT have found a way to prevent hydrogels from dehydrating.

The Real Moral Dilemma of Self-Driving Cars

Adults Self-Driving Cars Technology Transportation Automotive
We talk about all the potentially challenging situations autonomous cars could get into but not about how human drivers are not very good.

Popping Popcorn at 30,000 FPS

Adults Film Food Technology
Popping Popcorn at 30,000 Frames Per Second Filmed in Ultra Slow Motion Macro with the Phantom v2512 Ultra High Speed Camera.

How to master your sense of smell

Adults Biology Human
Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible only for sniffing out gas leaks.

The Absurdity of Detecting Gravitational Waves

Adults Physics Technology
A head-vaporizing laser with a perfect wavelength detecting sub-proton space-time ripples.

Would you sacrifice one person to save five?

Adults Life Philosophy Society
Imagine you're watching a runaway trolley barreling down the tracks, straight towards five workers. You happen to be standing next to a switch that will divert the trolley onto a second track.

How An Igloo Keeps You Warm

Adults Construction Science
Building a perfect igloo takes cool science!