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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 ...

There's a lot of variety in how skilled people are in doing complex tasks like handcrafting, wood carving, or drawing with their hands. While some people are good at knitting a beautiful sweater or ...

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In a world dominated by right-handed people, International Left Handers Day, which is celebrated annually on Aug. 13, affords the roughly 10% of Americans who are left-handed a day of recognition.