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 ...

If you’re a lefty and have ever felt excluded from the right-handed club as you write a letter, throw a ball, or wield a ...

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Brain size and bipedalism are the most likely drivers of our species’ right-hand dominance, according to new research ...