I'm sure you've heard of Pavlov's Bell (and I'm not talking about the Aimee Mann song), but what was Ivan Pavlov up to, exactly? And how are our brains trained? And what is a "Skinner Box"? All those questions and more are...

The word bipolar means 'two extremes.' For the many millions experiencing bipolar disorder around the world, life is split between two different realities: elation and depression. So what causes this disorder? And can it be treated?...

In this episode of Crash Course Psychology, Hank takes a look at how the treatment for Psychological Disorders has changed over the last hundred years and who is responsible for getting us on the path to getting us here.
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Since the French Revolution, the republic’s motto has been “Liberté, égalité, fraternité” (“Liberty, equality, brotherhood”), which certainly says something about French attitudes. In France, however, generalizations don't always apply....

Howcast - Learn about borderline personality disorder from psychiatrist Ankur Saraiya in this Howcast video.

Howcast - Learn how to spot a liar by looking at feet and hands in this body language video from Howcast.

Howcast - Learn how to read body language clusters in this Howcast video.

Howcast - Learn how to lose weight with behavior modification in this Howcast video about overcoming obesity.

Howcast - Tough love has been used by therapists and parents to get results, so it seems only logical to bring the method into the workplace.

Howcast - Learn about board-certified veterinary behaviorist Dr. E'Lise Christensen, DVM, one of Howcast's cat experts, in this video.

Howcast -Learn all about mixed breed dogs, or mutts, from dog expert Julia Szabo in this Howcast video.

Howcast -Learn how to change the irrational beliefs that make you angry from anger management expert Dr. J. Ryan Fuller in this Howcast video.

Howcast -Learn the difference between good anger and bad anger from anger management expert Dr. J. Ryan Fuller in this Howcast video.

Howcast -Learn if anger is hereditary from anger management expert Dr. J. Ryan Fuller in this Howcast video.

Howcast -Learn if anger counseling reduces a personal effectiveness from anger management expert Dr. J. Ryan Fuller in this Howcast video.

Howcast -Learn if anger counseling changes a person's core personality from anger management expert Dr. J. Ryan Fuller in this Howcast video.

Howcast -Learn how to help children control their anger from anger management expert Dr. J. Ryan Fuller in this Howcast video.

The safari's diverse ecosystems are home to various bird species, each with unique adaptations. Notable birds include the intelligent African gray parrot, the colorful lilac breasted roller, and the snake-hunting Secretary Bird....

It's time for some "holiday" enrichment at the San Diego Zoo.

Zookeepers use enrichment to encourage natural animal behaviors.

Meet San Diego Zoo's newest residents, Kima and Koya.

It's time for some "holiday" enrichment at the San Diego Zoo.

Although he may look like a cross between a rabbit and a deer, he's actually a rodent. Watch as Zoo Educator Hannah demonstrates what positive reinforcement is, and why it's an important technique in providing excellent care for animals...

How do you train a lion? Very carefully.