Reading Social Signals

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Some criminals are bragging about their murders, rapes and robberies on social sites, often with telltale photos or clips that can put them away.

A new study shows that happiness is contagious as it spreads through social networks.

The Philippine National Police urges users of social networking sites to “hide” themselves online and be protected not only from cyber bullying but from criminals as well.

Princess Beatrice of York's huge bowed hat, seen by most as a fashion faux pas, brought in ?81,101 ($130,710) in an online auction, the proceeds going to charities.

Minnesota Rep. Michelle Bachmann has garnered affection from conservative activists, but her embarrassing and highly publicized gaffes might affect her presidential chances.

Attorneys are now using social media to gauge whether or not you can serve objectively on a jury.

At the Olympics pins are a kind of social currency, a pre-Facebook form of social media that gives random fans an icebreaker to start conversations and even form friendships.

Teachers around the U.S. are using Twitter in the classroom in an effort to get students to shed their inhibition and articulate opinions.

Magicians use sleight of hand to make a ball seemingly jump from cup to cup. Researchers have shown that this famous illusion manipulates our minds more with distraction than with social cues.

Popular weight-loss shows are motivating their viewers to lose weight themselves, a trend that behavioral economists attribute to the TV's powers of socialization.