While scientists have thoroughly researched many other human sounds, such as singing and talking, remarkably little is known about the acoustics of laughter. Seeking to rectify this, psychologists ...
College Park, MD (October 3, 2001)-Humans have many ways to express themselves, but one of the most enjoyable-and mysterious-is laughter. More than a frivolous emotional outburst, laughter has many ...
A cackle and a giggle can mean different things. Scientists say there are two types of laughter: the kind that comes from pure glee, and the kind that's meant to send a social message. New research ...
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