Everyone “talks” with their hands at least sometimes. Some people’s hand-talking or gesturing matches their message well. Other people have a tendency to make overly large gestures that can be ...

Hands: so useful, yet so problematic! What to do with them? Shove them into pockets? Use them to clutch the sides of the lectern with last-lifeboat-off-the-Titanic fervor? Flick away invisible flies?

Scientists have found that the evolution of the control of speech and hand movements can be traced back to the same place in the brain, which could explain why we use hand gestures when we are ...