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en.wikipedia.org/wiki/Handedness

Handedness is a better (faster or more precise) performance or individual preference for use of a hand, known as the dominant hand; the less capable or less preferred hand is called the nondominant hand. Despite the common terminology of "left-handed" or "right-handed", ... truly ambidextrous person is able to do any task equally well with either hand ...

www.scientificamerican.com/article/what-causes-some-people-t

Approximately 85 percent of people are right-handed. These theories also try to explain the persistent and continuing presence of a left-handed minority (about ...

www.smithsonianmag.com/science-nature/why-are-some-people-left-handed-6556937

Sep 12, 2013 ... For the left-handed people of the world, life isn't easy. ... What makes humanity's bias against lefties all the more unfair is that left-handed ... a person has in any one direction (toward right handedness or left handedness) the ...

www.sciencealert.com/here-s-why-are-some-people-left-handed-according-to-science

Apr 28, 2015 ... For left-handed people, the world probably seems like an unfair place. ... that 25 percent of handedness can be explained by a person's genes. ... Paracchini says this makes sense: It would be a waste to have both hands work ...

www.scienceofpeople.com/2016/04/why-are-you-right-or-left-handed

This wide distribution has a health benefit– if a left-handed person has a stroke ... “Having more distributed language abilities probably makes the system more ...

www.iflscience.com/brain/finally-know-people-left-righthanded

Feb 20, 2017 ... Are left-handed people really more evil than the rest of us, or is that just crazy talk ... defines whether a person writes with their right or left hand.

www.everydayhealth.com/healthy-living-pictures/little-known-facts-about-lefthanders.aspx

What causes someone to become a southpaw? ... paw, science has also uncovered a particular set of personality traits that left-handed people tend to have.

www.livescience.com/19968-study-reveals-lefties-rare.html

Apr 27, 2012 ... Scientists have long wondered why left-handed people are a rarity. Stories about being slapped on the wrist for being a lefty aside, there must ...

www.huffingtonpost.com/entry/12-little-known-facts-about-left-handers_us_55d39e97e4b0ab468d9ec794

Aug 20, 2015 ... Being left-handed says a lot about your health. ... that fit comfortably only in your right hand.What causes someone to become a southpaw?