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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.

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.

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!

Why Doesn't Time Flow Backwards?

Adults Physics Science

Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it!

m&m's Dissolving in Water - 4K

Adults Film Food

We dropped m&m's chocolate in water and discovered something really wonderful!

Post-Truth: Why Facts Don't Matter Anymore

Adults Philosophy Society

Why we can't seem to agree on what's true when it's easier than ever to check.

Why do airlines sell too many tickets?

Adults Economy Math Transportation

Have you ever sat in a doctor's office for hours, despite having an appointment?

Why are we so attached to our things?

Adults Human Self Society

After witnessing the "violent rage" shown by babies whenever deprived of an item they considered their own, Jean Piaget - a founding father of child psychology - observed something profound about human nature: Our sense of ownership emerges incredibly early.