A researcher tests a polygraph machine.

Detecting Lies

From chewing rice to scanning brains, the perfect lie detector remains elusive

Ancient meditation might have strengthened the mind's ability to connect symbols and meanings, eventually causing gene mutations that favored modern memory.

Meditate on It

Could ancient campfire rituals have separated us from Neanderthals?

"A resilient person is performing competently while in the midst of adversity," says Stuart Hauser, author of Out of the Woods: Tales of Resilient Teens.

Extraordinary Resilience

Psychiatrist Stuart Hauser answers questions about his new book, Out of the Woods, which chronicles four emotionally disturbed teenagers

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The (Scientific) Pursuit of Happiness

What does the Dalai Lama have to teach psychologists about joy and contentment?

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Reading Faces

Is that a scowl or just disgust? Facial expressions can be harder to interpret than most of us realize, but help is on the way

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