Esther Perel: The secret to desire in a long-term relationship

In long-term relationships, we often expect our beloved to be both best friend and erotic partner. But as Esther Perel argues, good and committed sex draws on two conflicting needs: our need for security and our need for surprise. So how do you sustain desire? With wit and eloquence, Perel lets us in on the mystery of erotic intelligence.

Amy Cuddy: Your body language shapes who you are

Body language affects how others see us, but it may also change how we see ourselves. Social psychologist Amy Cuddy shows how “power posing” -- standing in a posture of confidence, even when we don’t feel confident -- can affect testosterone and cortisol levels in the brain, and might even have an impact on our chances for success.

Best of TED - Joshua Foer: Feats of memory anyone can do

There are people who can quickly memorize lists of thousands of numbers, the order of all the cards in a deck (or ten!), and much more. Science writer Joshua Foer describes the technique -- called the memory palace -- and shows off its most remarkable feature: anyone can learn how to use it.

Best of Ted - Philip Zimbardo: The demise of guys?

A new speech from the leader of the notorious 1971 Stanford Prison Experiment dissecting human behaviour with his usual irony.
For those interested in his work worth reading his latest book: The Lucifer Effect: Understanding How Good People Turn Evil

Best of Ted - Paul Bloom: The origins of pleasure