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 ...

We've already heard about gloves and cameras that could be used to translate hand gestures (such as American Sign Language) into text or spoken words. What might be simpler, though, is a system ...

No one knows whether Plato ever flipped anyone the bird — but he might have. People have been raising their middle finger to indicate something other than “Does this cuticle need trimming?” since the ...

Humans use their fingers for some of their most delicate communication. Typing on a keyboard or phone, conversing through sign language, or performing on a guitar or piano require finely-tuned ...