SciShow
How Political Questions Mess with Your Brain
It’s an election year, which means you’ve probably been bombarded with polls asking you questions about candidates and issues. But is information the only thing pollsters are after? Questions are often more than just questions. They can...
SciShow
SciShow Quiz Show: With WheezyWaiter!
Welcome back to SciShow Quiz Show, where Hank goes head-to-head with Craig Benzine, better known as WheezyWaiter.
TED-Ed
TED-Ed: Ethical dilemma: The burger murders | George Siedel and Christine Ladwig
You founded a company that manufactures meatless burgers that are sold in stores worldwide. But you've recently received awful news: three people in one city died after eating your burgers. A criminal has injected poison into your...
TED Talks
TED: A smarter, more precise way to think about public health | Sue Desmond-Hellmann
Sue Desmond-Hellmann is using precision public health -- an approach that incorporates big data, consumer monitoring, gene sequencing and other innovative tools -- to solve the world's most difficult medical problems. It's already helped...
SciShow
What Does Your Uvula Do?
Ever wonder what that dangling thing in the back of your throat is good for? Hank Green explains in this episode of SciShow Quick Questions.
TED Talks
TED: 3 ways to spot a bad statistic | Mona Chalabi
Sometimes it's hard to know what statistics are worthy of trust. But we shouldn't count out stats altogether ... instead, we should learn to look behind them. In this delightful, hilarious talk, data journalist Mona Chalabi shares handy...
SciShow
How Different Types of Alcohol Affect Your Emotions
Despite popular belief, different types of drinks shouldn’t make you feel any differently because they’re all ethanol. Our brains are complicated, though, and there’s more to the story than just the drink itself.
TED Talks
Inge Missmahl: Bringing peace to the minds of Afghanistan
When Jungian analyst Inge Missmahl visited Afghanistan, she saw the inner wounds of war -- widespread despair, trauma and depression. And yet, in this county of 30 million people, there were only two dozen psychiatrists. Missmahl talks...
TED Talks
Shlomo Benartzi: Saving for tomorrow, tomorrow
It's easy to imagine saving money next week, but how about right now? Generally, we want to spend it. Economist Shlomo Benartzi says this is one of the biggest obstacles to saving enough for retirement, and asks: How do we turn this...
SciShow
Why Do Itches Make You Chase Them?
Have you ever said, "No, a little to the left," during a back scratch because the itch itself seemed to move? Well, it has to do with how your nerves and brain respond to the sensation.
Crash Course
Beasts of No Nation: Crash Course Film Criticism
Beasts of No Nation is available to stream on Netflix (as it is a Netflix release). Some films are about war, some films are about kids, but some films are about kids during a time of war. Even more upsetting are films about kids who...
TED Talks
Neil Harbisson: I listen to color
Artist Neil Harbisson was born completely color blind, but these days a device attached to his head turns color into audible frequencies. Instead of seeing a world in grayscale, Harbisson can hear a symphony of color -- and yes, even...
TED Talks
Pico Iyer: What ping-pong taught me about life
Growing up in England, Pico Iyer was taught that the point of a game was to win. Now, some 50 years later, he's realized that competition can be "more like an act of love." In this charming, subtly profound talk, he explores what regular...
TED Talks
TED: What are animals thinking and feeling? | Carl Safina
What's going on inside the brains of animals? Can we know what, or if, they're thinking and feeling? Carl Safina thinks we can. using discoveries and anecdotes that span ecology, biology and behavioral science, he weaves together stories...
TED Talks
Doris Kearns Goodwin: Lessons from past presidents
Historian Doris Kearns Goodwin talks about what we can learn from American presidents, including Abraham Lincoln and Lyndon Johnson. Then she shares a moving memory of her own father, and of their shared love of baseball.
TED Talks
TED: How to fix a broken heart | Guy Winch
At some point in our lives, almost every one of us will have our heart broken. Imagine how different things would be if we paid more attention to this unique emotional pain. Psychologist Guy Winch reveals how recovering from heartbreak...
TED Talks
TED: Nature. Beauty. Gratitude. | Louie Schwartzberg
Nature’s beauty can be fleeting -- but not through Louie Schwartzberg’s lens. His stunning time-lapse photography, accompanied by powerful words from Benedictine monk Brother David Steindl-Rast, serves as a meditation on being grateful...
TED Talks
TED: Why aren't we more compassionate? | Daniel Goleman
Daniel Goleman, author of "Emotional Intelligence," asks why we aren't more compassionate more of the time.
SciShow
What's the Most Bitter Chemical
There is a chemical so bitter you can taste it in an Olympic-sized swimming pool and you probably have it in your home without even knowing it.
TED Talks
TED: Big data, small farms and a tale of two tomatoes | Erin Baumgartner
The path to better food is paved with data, says entrepreneur Erin Baumgartner. Drawing from her experience running a farm-to-table business, she outlines her plan to help create a healthier, zero-waste food system that values the...
SciShow
Why Do Cats Knead?
SciShow tackles one of the cutest questions ever: Why cats knead. You might have heard the theory, but do you know what adult cats would hold on to kitten-like behavior? The answers await!
3Blue1Brown
Backpropagation calculus | Appendix to deep learning chapter 3
The math of backpropagation, the algorithm by which neural networks learn.
TED Talks
Renzo Vitale: What should electric cars sound like?
Electric cars are extremely quiet, offering some welcome silence in our cities. But they also bring new dangers, since they can easily sneak up on unsuspecting pedestrians. What kind of sounds should they make to keep people safe? Get a...
TED Talks
Marian Wright Edelman: Reflections from a lifetime fighting to end child poverty
What does it take to build a national movement? In a captivating conversation with TEDWomen curator Pat Mitchell, Marian Wright Edelman reflects on her path to founding the Children's Defense Fund in 1973 -- from the early influence of...