From school desks to spiral notebooks, everyday tools reveal how something as simple as dominant hand shapes daily life.

Is it OK to shake somebody's left hand? How about passing the salt with your southpaw? We've got the tea on the times you shouldn't use your left hand, and we're about to spill it—with the proper hand ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. If you’re reading this on your phone, there’s a nine-in-10 ...

Are there two or three forms of handedness? Most psychological studies investigating handedness have two different categories: left-handedness and right-handedness. A large-scale meta-analysis ...