SciShow
Do Plants Get Cancer?
Have you ever seen a tree with a big, twisted knot growing out of it? That's just one way that plants can show signs of cancer. Quick Questions explains.
Crash Course Kids
Weather In Space (the Rocky Planets)
Do other planets have weather? It turns out that, yes, they do! But, the weather isn't all the same on other planets because of things like atmosphere. In this episode of Crash Course Kids, Sabrina takes us on a tour of the weather on...
Crash Course
Batman & Identity: Crash Course Philosophy
Hank explores different ways of understanding identity – including the Indiscernibility of Identicals, and essential and accidental properties. In what ways does affect identity? In what ways does it not? What does it mean for a thing to...
TED Talks
TED: Why art thrives at Burning Man | Nora Atkinson
Craft curator Nora Atkinson takes us on a trip to Nevada's Black Rock Desert to see the beautifully designed and participatory art of Burning Man, revealing how she discovered there what's often missing from museums: curiosity and...
TED Talks
My wish: Let my photographs bear witness - James Nachtwey
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Accepting his 2007 TED Prize, war photographer James Nachtwey shows his life's work and asks TED to help him...
SciShow
6 of The Weirdest Places on Earth | Compilation
There are a lot of weird places here on Earth, but here are a few of our favorite strange spots!
SciShow
Liquid Water on Mars
Today, NASA announced that there is...occasionally...flowing, liquid water on the surface of Mars. What?!
TED-Ed
TED-Ed: Which voting system is the best?
Imagine we want to build a new space port at one of four recently settled Martian bases, and are holding a vote to choose its location. Of the 100 colonists on Mars, 42 live on West Base, 26 on North Base, 15 on South Base, and 17 on...
SciShow Kids
How to Help a Bird! Animal Science for Kids
Animals have all kinds tricks to help them get through the winter, but there are things people can do to help them out! Join Jessi and Dino to learn about how you can help the birds in your neighborhood have a safer, warmer winter.
TED Talks
Peter Hirshberg: The web is more than "better TV"
In this absorbing look at emerging media and tech history, Peter Hirshberg shares some crucial lessons from Silicon Valley and explains why the web is so much more than "better TV."
Crash Course
How Does Public Health Tackle Outbreaks? Crash Course Outbreak Science
Public health activities are all the ways society coordinates to deliver better health to people. That may sound super broad, and it is, so in this episode of Crash Course Outbreak Science, we'll take a look at public health works to...
Be Smart
Inside an ICE CAVE! - Nature's Most Beautiful Blue
Where do glaciers and icebergs get their beautiful blue color? This unique blue might be nature's most brilliant, and the color arises in a very special way thanks to some surprising interactions between light and water molecules. Who...
MinutePhysics
The Wave-Particle Duality - Part 2
In this episode, I revisit the wave particle duality and present an intuitive analogy for understanding how it works.
Crash Course
Selma: Crash Course Film Criticism
Selma tells the story of Martin Luther King Jr. and one of the greatest non-violent protests in U.S. history. Ava DuVernay directs this historical drama that captured hearts and minds but also made us ask some questions about historical...
TED Talks
TED: Playful, wondrous public spaces built for community and possibility | Matthew Mazzotta
Introducing a new type of public space, custom-fit for communities in need of a shot of hope and wonder. Artist and TED Fellow Matthew Mazzotta takes us across the US, sharing delightful projects that refresh space and place, spark...
SciShow Kids
Fireflies: Nature’s Baffling Blinkers Animal | Science for Kids
Have you ever wondered how fireflies twinkle and blink on lovely summer nights? Join Jessi and Squeaks at the fort to learn their secret!
Crash Course
Mass-Producing Ice Cream with Food Engineering: Crash Course Engineering #39
In this episode, we looked at food engineering. We explored how food’s capacity to spoil makes it a unique challenge from an engineering viewpoint. We saw how many branches of engineering come into play to process ingredients, ensure...
SciShow
Studying Polar Bears from a Monster Truck | SciShow Talk Show
BJ Kirschhoffer from Polar Bears International discusses polar bear behavior and Jessi from Animal Wonders brings on an animal that lives near polar bears, an arctic fox!
TED-Ed
These salamanders snack on each other (but don't die) | Luis Zambrano
Axolotls are one of science's most studied animals. Why, you ask? These extraordinary salamanders are masters of regeneration: they can flawlessly regenerate body parts ranging from amputated limbs and crushed spines to parts of their...
TED Talks
Richard Ledgett: The NSA responds to Edward Snowden's TED Talk
After a surprise appearance by Edward Snowden at TED2014, Chris Anderson said: "If the NSA wants to respond, please do." And yes, they did. Appearing by video, NSA deputy director Richard Ledgett answers Anderson's questions about the...
Crash Course Kids
Up, Up & Away
So... what makes the wind? You might be surprised to learn that it has to do with two of Earth's spheres; The Hydrosphere and the Geosphere. In this episode of Crash Course Kids, Sabrina takes us to the beach to chat about how the wind...
Crash Course
The Raft, the River, and The Weird Ending of Huckleberry Finn: Crash Course Literature 303
This week, we're continuing our discussion of Mark Twain's 'The Adventures of Huckleberry Finn.' This is part two of our talk about Huck Finn, and this time we're looking at the metaphors in the book, a little bit about what the...
SciShow
This Is What Climate Change Feels Like
Hank brings you the SciShow news of the week. Recent record high temperatures and other extreme weather events around the world are climate change in action; a new fossil of an ancient human ancestor; some disturbing discoveries about...
TED Talks
Michelle Kuo: The healing power of reading
Reading and writing can be acts of courage that bring us closer to others and ourselves. Author Michelle Kuo shares how teaching reading skills to her students in the Mississippi Delta revealed the bridging power of the written word --...