The Tee-Hee Test: Laughter Reveals Your Real Friends

It's no joke — laughter can actually provide clues about whether people are among friends or strangers, a new study finds. When people laugh among friends, their guffaws tend to sound more excited than when that laughter occurs between strangers, said study lead researcher Greg Bryant, an associate professor in the Department of Communication Studies at the University of California, Los Angeles (UCLA). "It is often faster and has more irregularities in frequency and loudness that gives it