SciShow
Vikings, Volcanoes, and Sheep: How Geology Rewrites Ancient History
Vikings, volcanoes, and sheep don’t immediately seem like they should all be connected, but this unlikely trio is actually informing our knowledge of global history.
SciShow
Why Do Razor Blades Dull so Quickly?
If you shave regularly, you may have noticed your razor blades don’t cut as well after just a few uses. But why do razors get dull so quickly?
SciShow Kids
The Deepest Part of the Ocean!
Deep in the Pacific Ocean, near China, is the Mariana Trench, the deepest part of the ocean! Join Jessi and Squeaks and learn all about the super-cool, super-tough creatures that make their home there!
TED Talks
Patrick Chappatte: The power of cartoons
In a series of witty punchlines, Patrick Chappatte makes a poignant case for the power of the humble cartoon. His projects in Lebanon, West Africa and Gaza show how, in the right hands, the pencil can illuminate serious issues and bring...
TED Talks
TED: How I use Minecraft to help kids with autism | Stuart Duncan
The internet can be an ugly place, but you won't find bullies or trolls on Stuart Duncan's Minecraft server, AutCraft. Designed for children with autism and their families, AutCraft creates a safe online environment for play and...
SciShow Kids
Oh Rats!
Join Squeaks for one of his favorite episodes all about RATS! You'll get to play a few rounds of true or false to learn some interesting facts about these furry creatures!
MinutePhysics
Hardy's Paradox | Quantum Double Double Slit Experiment
This video is about Hardy's Paradox, wherein an electron and positron (or photons polarized horizontally and vertically) pass through Mach-Zehnder interferometers that overlap such that the particles have a chance of annihilating. If...
SciShow
To Study Ancient Humans, Archeologists Are Using... What?!
When you think about archaeology, space technology probably isn’t the first thing that comes to mind. But from satellites to cosmic rays, archaeologists actually look to space a lot more than you might think!
TED Talks
Edward Burtynsky: My wish: Manufactured landscapes and green education
Accepting his 2005 TED Prize, photographer Edward Burtynsky makes a wish: that his images -- stunning landscapes that document humanity's impact on the world -- help persuade millions to join a global conversation on sustainability.
TED Talks
TED: What if we eliminated one of the world's oldest diseases? | Caroline Harper
Thousands of years ago, ancient Nubians drew pictures on tomb walls of a terrible disease that turns the eyelids inside out and causes blindness. This disease, trachoma, is still a scourge in many parts of the world today -- but it's...
TED-Ed
TED-Ed: Can you solve the riddle and escape Hades? | Dan Finkel
The underworld is overcrowded, and Zeus has ordered Hades to let some spirits out. Hades arranges all the souls of the dead in a line before Cerberus. When one of his three heads bites down on the soul in front of it, they'll get...
SciShow
Why Don't We Throw Trash in Volcanoes?
We have a garbage problem. Wouldn't it make sense to throw that trash into the nearest volcano?
TED-Ed
TED-Ed: The fascinating history of cemeteries - Keith Eggener
Spindly trees, rusted gates, crumbling stone, a solitary mourner: these things come to mind when we think of cemeteries. But not long ago, many burial grounds were lively places, with gardens and crowds of people -- and for much of human...
Be Smart
Why Do More Species Live Near The Equator?
Find out why more species live near the equator!
SciShow
What's at the Bottom of the Deepest Lake in the World
Besides being the deepest lake on Earth, Lake Baikal supports a bizarre collection of species that are found nowhere else!
TED Talks
TED: Can we call it a "world map" if it's missing a billion people? | Rebecca Firth
Want to help map the world? Community builder Rebecca Firth explains how the Humanitarian OpenStreetMap Team (HOT) is using open-source software powered by volunteers to put one billion people on the map in the next five years. (This...
SciShow
The Freezing Dunes of Northern Canada
When you think "sand dunes" you probably wouldn't think to look up in the northern reaches of Canada, but there lies one of earth's most unique habitats.
SciShow
3 Historic Firsts in Asteroid Exploration
We’ve visited lots of places in our solar system in the last 60 years, but modern technology has made an unlikely candidate the hottest new frontier of solar system exploration: asteroids. Today, we’ll take a look at a few exciting...
TED Talks
TED: How we can design timeless cities for our collective future | Vishaan Chakrabarti
There's a creeping sameness in many of our newest urban buildings and streetscapes, says architect Vishaan Chakrabarti. And this physical homogeneity -- the result of regulations, mass production, safety issues and cost considerations,...
TED Talks
Eric Sanderson: New York -- before the City
400 years after Hudson found New York harbor, Eric Sanderson shares how he made a 3D map of Mannahatta's fascinating pre-city ecology of hills, rivers, wildlife -- accurate down to the block -- when Times Square was a wetland and you...
TED Talks
TED: A vision of sustainable housing for all of humanity | Vishaan Chakrabarti
By 2100, the UN estimates that the world's population will grow to just over 11 billion people. Architect Vishaan Chakrabarti wants us to start thinking about how we'll house all these people -- and how new construction can fight climate...
Curated Video
Election Basics: Crash Course Government and Politics
This week Craig is going to give you a broad overview of elections in the United States. So as you may have noticed, there are kind of a lot of people in the U.S, and holding individual issues up to a public vote doesn't seem...
TED Talks
I let algorithms randomize my life for two years | Max Hawkins
What if everything in your life was randomized: from the food you ate to the things you did and the places you traveled? Computer scientist Max Hawkins created algorithms to make decisions like these for him -- and got hooked on the...
Crash Course Kids
How to Get Resources - Picky Pineapples
Want a Pineapple? If you want a pineapple, it's possible you can just run down to the store and get one. But, if you wanted to grow one, that's a lot more difficult depending on where you live. In this episode of Crash Course Kids,...