MINNEAPOLIS — What do Lebron James, David Bowie and Bill Gates all have in common? They're left-handed. While they're a minority of the population, they're not alone. So why are we right- or ...

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The fighting hypothesis is one of the major theories on the evolution of left-handedness. Around the world, about 10.6% of people are left-handers, and the rest are right-handers. Many scientists have ...

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 ...

Virtually anywhere you may go in the world, the rules of etiquette dictate that you should extend the right hand, as opposed ...