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This Video Has Consumed 30.1 Household-Days of Electricity!

AdultsGlobal WarmingTechnologyScience
The title of this video is changing every 10 seconds to reflect an estimate of the actual energy used just by people (like you!) watching it. Thanks to Jasper Palfree for doing the computer magic that makes that possible!

What is Random?

AdultsInternet CultureMathPhilosophy...
Is the future of the universe already determined?

How do glasses help us see?

AdultsBiotechnologyScienceHealth
Today, glasses help millions of people with poor vision be able to see clearly. But how? Andrew Bastawrous and Clare Gilbert help unravel the answer by explaining refraction - the ability of a transparent medium, like glass, water, or the eye, to change the direction of light passing through it.

How To Count Past Infinity

AdultsMathSciencePhilosophy
I'm very grateful to mathematician Hugh Woodin, Professor of Philosophy and Mathematics at Harvard, for taking the time on multiple occasions to discuss this topic with me and help me wrap my (finite) head around it.

Why is Mount Everest so tall?

AdultsNatureWorldScience...
At 8,850 meters above sea level, Qomolangma, also known as Mount Everest, has the highest altitude on the planet. But how did this towering formation get so tall? Michele Koppes peers deep into our planet's crust, where continental plates collide, to find the answer.

50 ft Flamethrower in 4K Slow Motion

AdultsFilmInternet CultureScience...
Gav and Dan discover that often, some of the most beautiful things in life are the same things that will take your face right off.

Pushing the Envelope

AdultsScienceTechnology
New Shepard flew again on April 2, 2016 reaching an apogee of 339,178 feet or 103 kilometers. It was the third flight with the same hardware.

The invisible motion of still objects

AdultsPhysicsScience
Many of the inanimate objects around you probably seem perfectly still. But look deep into the atomic structure of any of them, and you'll see a world in constant flux - with stretching, contracting, springing, jittering, drifting atoms everywhere.

The Deadliest Ice Age Ever

AdultsHistoryLifeWorld...
Minute earth talks about the deadliest ice age ever.

How stress affects your brain

AdultsHealthMental HealthScience
Stress isn't always a bad thing; it can be handy for a burst of extra energy and focus, like when you're playing a competitive sport or have to speak in public. But when it's continuous, it actually begins to change your brain. Madhumita Murgia shows how chronic stress can affect brain size, its structure, and how it functions, right down to the level of your genes.

Mind-Blowing Magic Magnets

AdultsPhysicsScienceTechnology
Brace yourselves for some exciting new technology - "Polymagnets"!

How Mushrooms Make It Rain

AdultsEcologyNatureScience
Did you know that mushrooms can actually help make it rain? It sounds totally far fetched but take a quick look at this video and you'll start to understand how spores from mushrooms may be responsible for making it rain.

Can you solve the frog riddle?

AdultsAnimalsMathNature...
You're stranded in a rainforest, and you've eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog.

Is radiation dangerous?

AdultsHealthScience
When we hear the word radiation, it's tempting to picture huge explosions and frightening mutations. But that's not the full story - radiation also applies to rainbows and a doctor examining an X-ray. So what is it, really, and how much should we worry about its effects? Matt Anticole describes the different types of radiation.

Do These Liquids Look Alive?

AdultsFoodPhysicsScience...
Why do droplets of food coloring attract, repel, and chase each other?

Transporters and Quantum Teleportation

AdultsPhysicsTransportationScience...
How Transporters and Quantum Teleportation Work

Alaska Airlines Solar Eclipse Flight

AdultsNatureSpaceTransportation...
You can't help but get excited when you fly with us and see a solar eclipse. We adjusted Flight #870 from Anchorage to Honolulu on March 8, 2016 just so our passengers could catch the solar eclipse from 35,000 feet.