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Why can't we see evidence of alien life?

Adults Life Space
Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful.

Why Van Gogh's "Starry Night" Is Actually An Art Of Science

Adults Art Science
Physicist Werner Heisenberg said, "When I meet God, I am going to ask him two questions: why relativity? And why turbulence? I really believe he will have an answer for the first." As difficult as turbulence is to understand mathematically, we can use art to depict the way it looks. Natalya St. Clair illustrates how Van Gogh captured this deep mystery of movement, fluid and light in his work.

The Secret Social Life of Plants

Adults Economy Nature
MinuteEarth provides an energetic and entertaining view of trends in earth's environment -- in just a few minutes!

How Bees Can See the Invisible

Adults Animals Nature
Feeding and fertilizing. Bees are amazing social insects, and their relationship with flowers is one of nature's coolest examples of "mutualism". It got me wondering: How do bees see the world? Enjoy this look at how bees see in ultraviolet and even sense electric fields!

FLUX 3D Printer

Adults Gadgets Technology
The all-in-one modular 3D printer.

Epic Hot Air Balloon Rope Swing

Adults Internet Culture Transportation
YouTube channel Devin Supertramp shows you what you get when you combine a rope with hot air balloons.

This Bird Chirps Just Like R2-D2 From "Star Wars"

Adults Animals Film
We taught Bluey the budgie how to do R2-D2 and now he drives us crazy! He has two other budgies in his cage, and I think he's driving them crazy too!

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!