The cheery thumbs-up can also mean “f**k you”. A raised palm, in Greece, is considered a deep insult. Adam Jacot de Boinod ...

Military movies frequently depict soldiers communicating with a flurry of hand signals, but what exactly do those signals ...

In face-to-face conversations, speakers use hand movements to signal meaning. But do listeners actually use these gestures to ...

Marques Brownlee reviewed a cutting edge carbon fiber bionic hand by PSYONIC that uses electrical impulses to fully ...