Things are pretty shocking out there right now -- record-breaking storms, deadly terror attacks, thousands of migrants disappearing beneath the waves and openly supremacist movements rising. Are we responding with the urgency that these...

If wormholes aren't just convenient plot devices for science fiction writers, they're still much weirder than anything we could make up.

Move over Hubble, ALMA sees what you can't!

Mr. Andersen shows you how to draw free body diagrams of various objects. The major forces (like gravity, normal, tension, friction, air resistance, etc.) are discussed and then applied to various problems.

You’d think it would be easy to tell if an object in space was a star or a planet - is it big, hot, and shining? It’s a star! Small, cool, and made of rock and gas? Planet! But cosmic oddities know as brown dwarfs remind us that the...

This year, scientists have had a chance to study something pretty mind-boggling: a comet that came from outside of our solar system.

SciShow Space takes you to a distant, ancient black hole that … really shouldn’t be, and psyches you up for the Dawn spacecraft’s final approach to Ceres!

"Magic is a great analogy for how we edit reality and form a story -- and then mistake that story for the truth," says psychological illusionist Derren Brown. In a clever talk wrapped around a dazzling mind-reading performance, Brown...

Actor Thandie Newton tells the story of finding her "otherness" -- first, as a child growing up in two distinct cultures, and then as an actor playing with many different selves. A warm, wise talk, fresh from stage at TEDGlobal 2011.

One moment, you're fine. The next, moment it seems like your nose is recreating a scene from The Shining. Why do we get nosebleeds?

Today on the SciShow Talk Show, our Technical Director Nick Jenkins stumps Hank about how many frames per second the human eye can see, and Jessi from Animal Wonders shares Hara the Harris's hawk.

This week, a group of researchers use nuclear fallout to figure out how old liver cells are, while another gets one step closer to predicting volcanic eruptions.

We use seismographs to record the time, location and magnitude of earthquakes as they happen. But in the last three decades, a new field of study has emerged that is learning to track these details about earthquakes of old using the...

Our first of two episodes about Gabriel Garcia Marquez's novel, 100 Years of Solitude. This week, we're looking at the Buendia family, and their many generations of people with the same names. We'll also look at the fascinating way the...

You can't understand climate change in pieces, says climate scientist Gavin Schmidt. It's the whole, or it's nothing. In this illuminating talk, he explains how he studies the big picture of climate change with mesmerizing models that...

Variables: What are they? In the case of engineering, variables are a condition or value that can change. Sometimes we control a variable, sometimes we don't. In this episode of Crash Course Kids, Sabrina chats to us about how variables...

Paul Andersen explains how organisms use information to communicate with each other. Signals are used by bees doing the waggle dance to communicate the location of flowers. Territorial markings are used by wolves to establish...

Tidally locked planets could be more common than Earth-like planets! And these 'eyeball planets' might even be a promising place to look for unique lifeforms!

The Ulysses mission revolutionized our understanding of the sun, but it's been the only orbiter to take this kind of out-of-ecliptic journey. Will an upcoming mission give us even more?

Why are mosquito bites so itchy? Stop scratching while Jessi explains!

Bill Stone, a maverick cave explorer who has plumbed Earth's deepest abysses, discusses his efforts to mine lunar ice for space fuel and to build an autonomous robot for studying Jupiter's moon Europa.

Peter Molyneux demos Milo, a hotly anticipated video game for Microsoft's Kinect controller. Perceptive and impressionable like a real 11-year-old, the virtual boy watches, listens and learns -- recognizing and responding to you.

Massimo Banzi helped invent the Arduino, a tiny, easy-to-use open-source microcontroller that's inspired thousands of people around the world to make the coolest things they can imagine -- from toys to satellite gear. Because, as he...

Canadian filmmaker Martin Villeneuve talks about "Mars et Avril," the sci-fi spectacular he made with virtually no money over a seven-year stretch. In this charming talk, he explains the various ways he overcame financial and logistical...