Hand movements are often treated as a nervous tic to be suppressed, but a growing body of research suggests they are one of the most powerful tools a speaker has. Across lab experiments, large-scale ...

The history of hand gestures: Who knew?! Why do we use our hands to express ourselves? Many hand gesture meanings go back millennia, but if you’ve spent any time online lately, you know that hand ...

How do you signal to a waiter, across a crowded restaurant, you want the check or bill? How do you signal that the person you’re addressing should phone you? How do tell another motorist, at the ...