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The Unique Science of Left-Handedness

geekly.co.uk

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Being Left-Handed Is More Then a Personal Quirk

Knives, scissors, writing supplies and even power tools are just some of the devices humans use that can cause a lefty to start sweating. Although only 15% of the human population is left-handed, that is 15% of humanity that has to struggle in a world that can be cruel to the on a mechanical level.

Handedness goes beyond how a person grips a pencil or stylus. Analyzing genetics and heredity of southpaws yields a few other common features. Before we go into all of the intricacies, it is important to start with the basics. I.e. “Where does hand dominance originate?”

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