Friendships can change how we see and move through the world. They can boost our academic performance, help us deal with setbacks, and even improve our health. And the relationships we form in adolescence can shape our beliefs, values,...

In this episode of Crash Course Psychology, Hank takes a look at a few experiments that helped us understand how we develop as human beings. Things like attachment, separation anxiety, stranger anxiety, and morality are all...

Albert Camus grew up surrounded by violence. His homeland of Algeria was mired in conflict. He lost his father in World War I. Seeing World War II's devastation, Camus grew despondent. What was the meaning behind all this endless...

Scientists report that humans might be quick to judge, but we we may have also evolved to be quick to forgive. And in another paper out this week, scientists have discovered a new type of human stem cell!

TED Fellow Nighat Dad studies online harassment, especially as it relates to patriarchal cultures like the one in her small village in Pakistan. She tells the story of how she set up Pakistan's first cyber harassment helpline, offering...

In spring 2019, more than 17,000 Europeans from 33 countries signed up to have a political argument with a complete stranger. They were part of "Europe Talks," a project that organizes one-on-one conversations between people who disagree...

When you think about Einstein and physics, E=mc^2 is probably the first thing that comes to mind. But one of his greatest contributions to the field actually came in the form of an odd philosophical footnote in a 1935 paper he co-wrote...

Asgard, a realm of wonders, was where the Norse Gods made their home. There Odin's great hall of Valhalla towered above the mountains and Bifrost, the rainbow bridge, anchored itself. Though their domain was magnificent, it stood...

When we tell women that sex isn't worth the risk during pregnancy, what we're telling her is that her sexual pleasure doesn't matter ... that she in fact doesn't matter, says sex researcher Sofia Jawed-Wessel. In this eye-opening talk,...

Daniel Goleman, author of "Emotional Intelligence," asks why we aren't more compassionate more of the time.

(NOTE: Statements in this talk have been challenged by scientists working in this field. Please read "Criticisms & Updates" below for more details.) Psychologist Philip Zimbardo asks, "Why are boys struggling?" He shares some stats...

When you talk to strangers, you're making beautiful interruptions into the expected narrative of your daily life -- and theirs, says Kio Stark. In this delightful talk, Stark explores the overlooked benefits of pushing past our default...

There's a lot we can learn from Mongolian nomads about how to survive in the years to come, says environmental activist Khulan Batkhuyag. Taking us on a journey through the country's stunning rural landscape, she shows how Mongolian...

Why do some people do selfless things, helping other people even at risk to their own well-being? Psychology researcher Abigail Marsh studies the motivations of people who do extremely altruistic acts, like donating a kidney to a...

It's said that the quickest way to kill a joke is to explain it, but scientists are still interested in finding out just what tickles our brains and makes us find something funny.

You might have wondered if putting on or taking off glasses is enough to completely transform Clark Kent/Superman’s appearance. Researchers have looked into this, and the result is pretty surprising.

Our next stop on our tour of ethics is Kant’s ethics. Today Hank explains hypothetical and categorical imperatives, the universalizability principle, autonomy, and what it means to treat people as ends-in-themselves, rather than as mere...

Humans generally have a good idea of whether something will make us happy or unhappy, but it turns out we’re not great at knowing exactly how much.

Learning English isn’t easy, but talking to native speakers is a great way to make progress! In this video, you’ll learn how to talk to strangers with confidence in various situations: travel, work, asking for directions. You’ll build...

Howcast - Want the thrill of sex with a stranger without the danger? Find a virtual lover.

Howcast - Check out this walkthrough for Rage, from id software and beat "Medical Supplies", "Where's Juno?" and "Radio Tower Repairs" with this online demo.

Howcast - Learn how to get your parrot to be nicer to people he doesn't know from Parrot Wizard Michael Sazhin in this Howcast video.

Howcast - Check out this Skyrim Dark Brotherhood walkthrough. Part 1: Delayed Burial.

Howcast -Help a very strange stranger with a "Delayed Burial" in The Elder Scrolls V: Skyrim with this online demo of the open world action role-playing game from Bethesda Game Studios.