Did you know that bees can remember things? It's true, and it's thanks to Dr. Charles Henry Turner that we know so much about insects!

Today we kick off Crash Course Sociology by explaining what exactly sociology is. We’ll introduce the sociological perspective and discuss how sociology differentiates itself from the other social sciences. We’ll also explore what...

How can we transplant animal tissue into humans? And will we ever be able to grow customized organs? SciShow explains!

Today, we're going to step away from video games and take a closer look at a game type that has been with us for over a millennium - card games. Since Tang Dynasty China, cards have proven to have quite the staying power spawning a...

A head start doesn't always ... well, help you get ahead. With examples from sports, technology and economics, journalist David Epstein shares how specializing in a particular skill too early in life may undermine your long-term...

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...

Community organizer Raj Jayadev wants to transform the US court system through "participatory defense" -- a growing movement that empowers families and community members to impact their loved ones' court cases. He shares the remarkable...

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...

* 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...

In this short, provocative talk, financier Sangu Delle questions whether microfinance — small loans to small entrepreneurs -- is the best way to drive growth in developing countries. "We seem to be fixated on this romanticized idea that...

Welcome to Crash Course Games! In this series our host Andre Meadows is going to discuss the history and science of games. We're going to talk about video games of course, but also board games, role playing games, card games, even...

Eating disorders are very serious psychological conditions<br/>
that can also be very dangerous - and they are much more common than you think.

Seasonal illnesses from infectious diseases aren’t a new concept, but a few decades ago public health experts began to notice the same behavior in some non-infectious diseases like breast cancer. These patterns have helped us learn a lot...

The combined market capitalization of Amazon, Apple, Facebook and Google is now equivalent to the GDP of India. How did these four companies come to infiltrate our lives so completely? In a spectacular rant, Scott Galloway shares...

In which John Green examines Romeo & Juliet by William Shakespeare. John delves into the world of Bill Shakespeare's famous star-crossed lovers and examines what the play is about, its structure, and the context in which it was written....

Over the course of 50 episodes, we're going to learn about Black American History. Clint Smith will to teach you about the experience of Black people in America, from the arrival of the first enslaved Black people who arrived at...

In the US, the very same blood test can cost $19 at one clinic and $522 at another clinic just blocks away -- and nobody knows the difference until they get a bill weeks later. Journalist Jeanne Pinder says it doesn't have to be this...

Today we’re going to take a closer look at cities, examine how these large complex structures are organized, and identify patterns and differences in land use around the world. We'll begin with a quick recap of Central Place Theory, then...

Watching pornography won’t make you go blind, but research indicates it may affect your brain—for better and for worse.

The world-changing promise of synthetic biology and gene editing has a dark side. In this far-seeing talk, author and entrepreneur Rob Reid reviews the risks of a world where more and more people have access to the tools and tech needed...

We all know that when we make decisions in groups, they don't always go right -- and sometimes they go very wrong. How can groups make good decisions? With his colleague Dan Ariely, neuroscientist Mariano Sigman has been inquiring into...

Some people try to attack things like evolution by natural selection and man-made climate change by saying "Oh, that's just a THEORY!" Yes, they are both theories. Stop saying it like it's a bad thing! It's time we learn the difference...

World War I was very hard on the Russian Empire. So hard, in fact, that it led to the end of the Russian Empire. As the global conflict ground on, Tsar Nicholas II faced increasing unrest at home. Today we'll learn about the Revolutions...

Genetic tests can give you advice about what lifestyle, diet, and level of exercise are best for you. But you should take those suggestions with a grain of salt, because, when it comes to our bodies, our genes aren’t so much an open...