TED Talks
TED: Technology that knows what you're feeling | Poppy Crum
What happens when technology knows more about us than we do? Poppy Crum studies how we express emotions -- and she suggests the end of the poker face is near, as new tech makes it easy to see the signals that give away how we're feeling....
TED-Ed
TED-ED: How to turn protest into powerful change - Eric Liu
We live in an age of protest. On campuses, in public squares, on streets and social media, protestors around the world are challenging the status quo. But while protest is often necessary, is it sufficient? Eric Liu outlines three...
TED Talks
TED: The future we're building -- and boring | elon Musk
elon Musk discusses his new project digging tunnels under LA, the latest from Tesla and SpaceX and his motivation for building a future on Mars in conversation with TeD's Head Curator, Chris Anderson.
SciShow
3 Extreme Climate Fixes
Hank talks about a few - maybe crazy, maybe reasonable - geoengineering schemes that some scientists have come up with in order to "fix" climate change, including designer clouds, ocean fertilization, and stratospheric shading with...
TED Talks
TED: I grew up in the Westboro Baptist Church. Here's why I left | Megan Phelps-Roper
What's it like to grow up within a group of people who exult in demonizing ... everyone else? Megan Phelps-Roper shares details of life inside America's most controversial church and describes how conversations on Twitter were key to her...
TED Talks
Sirena Huang: An 11-year-old's magical violin
Violinist Sirena Huang gives a technically brilliant and emotionally nuanced performance. In a charming interlude, the 11-year-old praises the timeless design of her instrument.
TED Talks
Boaz Almog: The levitating superconductor
How can a super-thin 3-inch disk levitate something 70,000 times its own weight? In a riveting demonstration, Boaz Almog shows how a phenomenon known as quantum locking allows a superconductor disk to float over a magnetic rail --...
TED-Ed
TED-ED: Why are we so attached to our things? - Christian Jarrett
After witnessing the _violent rage" shown by babies whenever deprived of an item they considered their own, Jean Piaget _ a founding father of child psychology _ observed something profound about human nature: Our sense of ownership...
TED-Ed
TED-Ed: 4 things all great listeners know | TED-Ed
It's easy to tell when someone's not paying attention, but it can be surprisingly tricky to know what good listening looks like. Good listening is one of the most important things we can do to improve our relationships, develop our...
Bozeman Science
Rotational Inertia
In this video Paul Andersen explains how the angular momentum of an object if a product of the rotational inertia and the angular velocity. The rotational inertia depends on the mass, radius and shape of the rotating objects. A sample...
TED Talks
TED: Your body language may shape who you are | Amy Cuddy
(NOTE: Some of the findings presented in this talk have been referenced in an ongoing debate among social scientists about robustness and reproducibility. Read "Criticisms & updates" below for more details as well as Amy Cuddy's...
TED Talks
Rory Sutherland: Sweat the small stuff
It may seem that big problems require big solutions, but ad man Rory Sutherland says many flashy, expensive fixes are just obscuring better, simpler answers. To illustrate, he uses behavioral economics and hilarious examples.
SciShow
Milk, and the Mutants That Love It
Got milk? Fact is, most people don't -- and shouldn't -- because for them, ice cream and milkshakes are basically toxic. So why can some people drink milk and survive? Turns out they're mutants! SciShow explains.
Crash Course Kids
Food Chains Compilation
Maybe you'd like to just hear about one topic for a while. We understand. So today, let's just watch some videos about how we get energy. And how one animal gets energy from another animal, or a plant. It's all about food chains and food...
TED Talks
TED: What does it mean to be a citizen of the world? | Hugh evans
Hugh evans started a movement that mobilizes "global citizens," people who self-identify first and foremost not as members of a state, nation or tribe but as members of the human race. In this uplifting and personal talk, learn more...
SciShow
Why You Can't Win an Internet Argument
One of the internet's favorite pastimes is arguing, but very few of those arguments ever actually go anywhere. It can be frustrating to watch, but scientists have some ideas on why things play out the way they do.
Curated Video
Marginal Analysis, Roller Coasters, Elasticity, and Van Gogh: Crash Course Econ
This week Jacob and Adriene teach you about marginal analysis, which you're using RIGHT NOW! The video is coming from inside the house! Or something. You'll learn how marginal analysis guides the decision making if cities, nations,...
SciShow Kids
Fizzy Soda Experiment!
You're just in time to help Jessi and Squeaks with their baking soda and vinegar experiment! Then, stick around to learn all about chemists, special scientists who study chemicals!
SciShow
The 19th Century Science That's Fighting Climate Change Today
The HMS Challenger embarked in the 1870s to survey the world’s oceans. The data the expedition collected is still being used over 100 years later to inform what we know about climate change.
TED Talks
Julian Treasure: The 4 ways sound affects us
Playing sound effects both pleasant and awful, Julian Treasure shows how sound affects us in four significant ways. Listen carefully for a shocking fact about noisy open-plan offices.
SciShow
Interview with EPA Administrator McCarthy
Hank interviews Administrator Gina McCarthy of the United States Environmental Protection Agency. They discuss getting people to care about climate change, the EPA's goals going into the United Nations Climate Change Conference, and the...
Crash Course
Where Does Your Mind Reside?: Crash Course Philosophy
Today we continue our unit on identity by asking where the mind resides. Hank explains the mind body problem and several approaches to the question of where our minds reside, including reductive physicalism, substance dualism, and...
SciShow
How to Study String Theory Using X-Rays - SciShow News
Over the last few years astronomers have been doing more and more research based on string theory, and thanks to modern telescopes the results are... less than encouraging
MinutePhysics
Relativity of Simultaneity | Special Relativity Ch. 4
The previous videos in this series: Chapter 1: Why Relativity is Hard Chapter 2: Spacetime Diagrams Chapter 3: Lorentz Transformations This video is chapter 4 in my series on special relativity, and it covers how things that appear...