About 10% of people in the world are left-handed. Lefties have to endure lots of little daily struggles righties might not think about. Swiping credit cards and cutting with scissors are just two ...

One of the most common human gestures, the pointing finger, appears frequently in Old Master paintings as a guiding cue.

Have you ever noticed how some people write, eat, or throw a ball with their left hand? Left-handed people make up only a ...