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Why is the Sky Any Color?

Adults Science World
It's a question that you'd think kids have been asking for thousands of years, but it might not be that old at all. The ancient Greek poet Homer never used a word for blue in The Odyssey or The Iliad, because blue is one of the last colors that cultures pick out a word for.

Save the Arctic

Adults Global Warming World
Save the Arctic - Watch and share.

The Science and Beauty of Auroras

Adults Science World
Space might seem like an empty place, but the area surrounding Earth is constantly being bombarded by waves of charged particles released by the Sun: The solar wind. Luckily, thanks to Earth's swirling, molten core (and the magnetic field it provides), we are protected from this planet-sterilizing onslaught like an invisible force field.

Vsauce Breaks Down The Problems Of Naming Everything In Our World

Adults History Language
A misnomer is a word or term that suggests a meaning that is known to be wrong. Misnomers often arise because the thing named received its name long before its true nature was known. A misnomer may also be simply a word that is used incorrectly or misleadingly.

Katana Fight Between Two ABB Robots

Adults Gadgets Technology
A katana fight between two ABB robots during an exhibition.

The Fear That Everything Has Already Been Done

Adults Photography Society
The frustration of photographing something amazing when thousands of identical photos already exist-the same sunset, the same waterfall, the same curve of a hip, the same closeup of an eye-which can turn a unique subject into something hollow and pulpy and cheap, like a mass-produced piece of furniture you happen to have assembled yourself.

Lyrebird

Adults Animals Technology
This Bird Can Mimic Laser Gun Sounds And It's Very Impressive

Stardust

Adults Art Music Technology
The performers Saya Watatani and Maki Yokoyama look like two Tinker Bells dancing together!

Kevin Delaney Makes a Cloud

Adults Science TV
Kevin Delaney from the Museum of Discovery in Little Rock performs some experiments on "The Tonight Show." Science is awesome.

Preparing for #CometLanding

Adults Science Space Technology
After a ten-year journey, Rosetta and Philae had finally reached their destination, Comet 67P/Churyumov-Gerasimenko. Rosetta spent many weeks studying the comet, sending lots of information back to Earth. But where was Philae going to land? Eventually the scientists on Earth found the best place on the comet for Philae to land. Soon it was time to make the final preparations for Philae's great adventure. Both spacecraft couldn't wait any longer. The whole world would be watching as Rosetta and Philae prepared for their biggest challenge yet.

The language of lying

Adults Language Society
We hear anywhere from 10 to 200 lies a day. And although we've spent much of our history coming up with ways to detect these lies by tracking physiological changes in their tellers, these methods have proved unreliable. Is there a more direct approach? Noah Zandan uses some famous examples of lying to illustrate how we might use communications science to analyze the lies themselves.

Astronauts Grow a Water Bubble in Space

Adults Gadgets Physics Space
During Expedition 40 in the summer of 2014, NASA astronauts Steve Swanson and Reid Wiseman - along with European Space Agency astronaut Alexander Gerst - explored the phenomenon of water surface tension in microgravity on the International Space Station. The crew "submerged" a sealed GoPro camera into a floating ball of water the size of a softball and recorded the activity with a 3-D camera.

Dragonborn's Iron Helmet

Adults Gadgets TV
Every other Monday, our team of blacksmiths and craftsman will be building some of your favorite weapons, and some weapons that you've never seen before. This week, we're recreating Dragonborn's Iron Helmet from Skyrim!

Life by the Numbers

Adults Animals Biology Nature
There are now more than 7 billion human beings on Earth, and that got me wondering: How successful are we compared to other species? I take a look at out how our numbers stack up to some other domains of life. It turns out that biomass, or what things weigh, can be more important than how many of something there are. Find out how our numbers stack up against everything from bugs to bacteria, and get ready for some mind-blowing numbers!

Minions Official Trailer

Adults Film Marketing
Gru is recruited by an organization to stop Scarlet Overkill, a super-villain who, alongside her inventor husband Herb, hatches a plot to take over the world.

Why Are Some People Left-Handed?

Adults Data Science Science Society
We've got two perfectly good hands attached to two perfectly good arms, so why do most people prefer to use one over the other for common tasks?

Comfortable: 50 People 1 Question

Adults Self Society
These days it is so easy to feel insecure about our appearance. Whether it is because of the mean comment that comes our way or the photoshopped image we see in magazines, it can be so easy to feel self conscious about our body. When was the last time you felt comfortable in your own skin?

Toy Wars

Adults Creativity Film Visual Design
Playtime is over.

Nik Wallenda Conquers Chicago Skyline

Adults Life Sports
Relive Nik Wallenda's two incredible walks across Chicago at epic heights with no safety tethers or nets.

Brian Cox visits the world's biggest vacuum chamber

Adults Physics Science
Watch a bowling ball and a feather fall in the giant vacuum chamber. A simple experiment but it's really amazing.

Home for Hope

Adults Business Pets
IKEA has recently teamed up with the Animal Lovers League Shelter and placed pictures of dogs in the showrooms of its stores to help get these dogs adopted.