Jim Carrey prompted questions about his dexterity after he was filmed signing autographs for fans at the César Awards in Paris. On Thursday, February 26, the actor attended the 51st annual French film ...

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 ...

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 ...