Everything You Never Wanted To Know About Rabies

So far as awful ways to die go, being attacked by a rabid animal then dying a slow, painful death must rank near the top. And exactly that happens to 55,000 people every year. Here's how you (or your dog) can get rabies, what it does to your body as it kills you and what you can do to ensure neither of you gets it. » 3/19/15 6:24pm 3/19/15 6:24pm

The Golden Age of Jailbreaking Is Over

Your smartphone may be as powerful as a computer, but it's also hobbled. You can only install apps on it from the walled garden of the official app store. Your options are limited to the small, vetted collection of "approved" apps as opposed to the unlimited options available for PCs. That's where jailbreaking comes… » 2/26/15 5:33pm 2/26/15 5:33pm

Why Cotton Kills, A Technical Explanation

"He was wearing all cotton, which is the worst fabric for cold, wet weather. The weather just got the best of him," reads an official statement by Alaska State Troopers about the death of a hiker there in 2005. This is how and why cotton can kill you.
» 2/26/15 4:38pm 2/26/15 4:38pm

How Nanoscale Optics Create Nature's Most Dazzling Colors

What do a butterfly's shimmering wings, a fish's opalescent scales, and a peacock's brilliant feathers have in common? Yes, their colors are beautifully iridescent. But they are also produced by the physical interaction of light with sophisticated nanoscale architecture that we are only just beginning to understand. » 2/19/15 2:00pm 2/19/15 2:00pm

What Will the Future of Molecular Manufacturing Really Be Like?

Molecular machines are nano-scale assemblers that construct themselves and their surroundings into ever more complex structures. Sometimes dubbed "nanotech" in the media, these devices are promising — but also widely misunderstood. Here's what separates the science fact from science fiction. » 2/16/15 7:00am 2/16/15 7:00am

What Does "OK" Stand For, Anyway?

As a linguistic phrase, OK is something of a phenomenon, traveling from American English into hundreds of other languages. And there are tons of myths about how OK emerged to mean that things are hunky-dory. But which story is correct? The truth is a little bit goofy. » 2/12/15 12:21pm 2/12/15 12:21pm

This is why most action movies today suck so badly

The majority of action films today suck. They became repetitive formulas. Sterile displays of visual effects, annoying camera movements, and happy ending duels between the hero and his foes. Luckily, there are exceptions. Chris Stuckmann analyzes why this happens in this interesting video. » 2/10/15 9:31pm 2/10/15 9:31pm

Green Screens Were Way More Clever Before Computers

In the digital age, it's pretty simple to understand how green screens work: anything of a certain color in the image is replaced with the background. But green screens were around for decades before digital photography, and the old technology was impressively crafty. » 2/05/15 10:00pm 2/05/15 10:00pm

Here's Why Small Black Holes Are More Dangerous Than Big Ones

If you were going to travel close to a black hole in order to study it, which type should you choose? Most people would probably pick a smaller black hole, because it seems easier to avoid. But that's a fatal mistake. Small black holes can be far more dangerous than big ones, due to a terrifying process called… » 1/27/15 3:15pm 1/27/15 3:15pm

How small is an atom, really? (or how to make your head explode)

Kurzgesagt has a neat new explainer: "How small is an atom?" I watched it. It does a great job at giving you an idea of how small atoms are and how they work. But it doesn't matter, because my brain just plainly refuses to believe any of this. Hulk head hurt. Hulk smash atoms. Oops, Hulk make nuclear detonation. » 1/21/15 10:03pm 1/21/15 10:03pm

The Real Story Behind the 1914 Christmas Truce in World War I

It was 100 years ago this very night that something miraculous happened along the Western Front. After months of bitter fighting, soldiers on both sides gathered in no-man's-land in a spontaneous show of peace and goodwill. Here's what happened on that historic day — and why it marked the end of an era. » 12/25/14 8:34am 12/25/14 8:34am

A must-watch 4-minute explainer of the entire Tolkien universe

J. R. R. Tolkien's posthumous The Silmarillion describes the universe where The Hobbit and The Lord of the Rings take place. It has all the secrets of Middle Earth, from individual characters to the genesis of wizards, elves, orcs, or men. This must-watch short explainer reveals its crucial elements in four minutes. » 12/17/14 8:20pm 12/17/14 8:20pm

How and why beans become farts explained in one cute video

Beans. They are delicious. And great for you too. One of the staples of the mediterranean diet. Sure, they have some resounding side effects, but nobody is perfect. This cute video explains the science behind farts. Watch it and learn—because farts are always great table conversation. » 9/08/14 6:49am 9/08/14 6:49am

All we know about neutron stars explained in one simple video

Neutron stars. They are so strange that we can barely wrap our heads around the idea of their existence. In fact, we still don't really know most things about them, so we can only guess and wonder trying to explain their extreme properties. This video explains all we know—or suppose—about them. » 9/08/14 6:03am 9/08/14 6:03am

All you need to know about Gaza in one clear animated map

Everyone talks about Gaza, but few people really know what the hell is going on and how did it all get to this point. French newspaper Le Monde created this easy to follow animated map that clearly explains all you need to know. Just the pure facts laid out in a clear way. A must watch. » 8/06/14 10:17pm 8/06/14 10:17pm

Why AMD And Nvidia Are Fighting

AMD and Nvidia are at it again. The two reigning champs in the market for video game graphics have been fighting since late last month when some performance issues on the PC version of Watch Dogs kicked up a fresh controversy. And given that AMD is still talking about the issue publicly, it doesn't look like things… » 6/25/14 3:00pm 6/25/14 3:00pm

The Simplest Explanation of What the World Wide Web Is That You'll See

We all know someone who still manages to confuse the Internet and the World Wide Web, and no amount of frustrated, rambling description seems to help them understand the difference. Now, you can just show them this video. » 5/13/14 5:00am 5/13/14 5:00am

What To Do If Your Car Is Recalled: An Explainer

Following General Motors' recall of over 5,000,000 cars last month, and Toyota's recall today of over 6,000,000 more vehicles, you might just want to assume that if you are within, say, 25 miles of car at any point, something is going to get recalled. Here's what happens next. » 4/09/14 4:54pm 4/09/14 4:54pm