What disgusts humans is proving irresistible to researchers exploring the evolutionary value of revulsion.

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Disgust’s Evolutionary Role Is Irresistible to Researchers

During marital difficulties, a couple turns to dancing — and rhythm — to get back in sync.

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Modern Love: Taking a Step Forward – Modern Love

During marital difficulties, a couple turns to dancing — and rhythm — to get back in sync.

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Modern Love: Taking a Step Forward – Modern Love

During marital difficulties, a couple turns to dancing — and rhythm — to get back in sync.

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Modern Love: Taking a Step Forward – Modern Love

Researchers are teaching computers how to spot deception in people’s speech — using cues like loudness, changes in pitch, nervous laughs and ums and ahs.

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Novelties: Lie-Detection Software Is a Research Quest

Anita Perry has had one of the most puzzling roll-outs of any of the campaign spouses this season. She has cried on the stump. She has talked about being brutalized by the press and her party . And she blamed President Obama for the loss of her son’s job . As her husband, Texas Gov. Rick Perry, struggled to look like a commander-in-chief, she struggled to get command of her emotions. Read full article > >

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Political wives: Rules of the road

As the twin towers came under attack, employees of an energy firm in a sister tower in Tulsa were taking messages from doomed traders at the World Trade Center.

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An Oklahoma Office Tower’s Unbreakable Link to 9/11

Raucous rallies that broke out in New York and Washington after news of Osama bin Laden’s killing were a matter of “pure existential release,” a social psychologist said.

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Celebrating a Death: Ugly, Maybe, but Only Human

Raucous rallies that broke out in New York and Washington after news of Osama bin Laden’s killing were a matter of “pure existential release,” a social psychologist said.

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Celebrating a Death: Ugly, Maybe, but Only Human

Scientists are trying to understand and quantify what makes music expressive, and the results are contributing to a greater understanding of how the brain works.

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To Tug Hearts, Music First Must Tickle the Neurons

Freshmen are reporting record levels of stress in an annual survey involving more than 200,000 students.

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Record Level of Stress Found in College Freshmen

A wide range of studies, from brain scans to cultural observations, are building a new scientific model of the smile.

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More to a Smile Than Lips and Teeth

Victims and witnesses have replayed the day in their minds, and some wonder if they could have helped stop it.

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Tucson Attack’s Survivors Struggle With ‘What If?’