What makes us clap more for some performances than others? You'd think it's obvious: The better the show, the more applause. Think again. Guest host Linda Wertheimer explores how and why applause ...

This post is co-authored by Ron Riggio and nonverbal communication expert Alan Crawley. When and why do we clap? We get startled, and we clap. We try to get our dog’s (or our child’s) attention, and ...

And then, suddenly, just when the colors and outlines settle at last to their various duties -- smiling, frivolous duties -- some knob is touched and a torrent of sounds comes to life: voices speaking ...

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