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Why Are Some People Left-Handed?

Why Are Some People Left-Handed?

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Why Are Some People Left-Handed?

The science of their sinister ways…
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We've got two perfectly good hands attached to two perfectly good arms, so why do most people prefer to use one over the other for common tasks?

David Wolman’s “A Left Hand Turn Around the World” http://amzn.to/1wYqOS2
(lots more references in there!)

Chris McManus’ “Right Hand, Left Hand” http://amzn.to/1umztyL

The best collection of the science of handedness on the internet: Right, Left, Right, Wrong - http://www.rightleftrightwrong.com/in...

Genetic link between handedness and ...

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  • www.youtube.com    Why Are Some People Left-Handed? - YouTube

    Nov 03, 2014 · The science of their sinister ways… Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter ...

    http://www.youtube.com/watch?v=NPvMUpcxPSA

  • leftyfretz.com    Why Are People Left Handed | What Causes Left …

    Here are a few of the theories I found that attempt to explain why people are left handed. Some are a little ... the fact that left handed people are more ...

    http://leftyfretz.com/why-are-people-left-handed/

  • www.scientificamerican.com    What causes some people to be left-handed, and why …

    What causes some people to be left-handed, and why are fewer people left-handed than right-handed?

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

  • www.ehow.com    Why Are Some People Left Handed & Others Right? | eHow

    May 29, 2010 · The leading theories regarding why some people are right or left handed have to do with genetics. Geneticists believe that natural selection and …

    http://www.ehow.com/about_6566233_people-left-handed-others-right_.html

  • answers.yahoo.com    Why are some people left-handed?

    Apr 28, 2012 · People just favour using the left side of their brain (That controls the right side of your body). Im sure everyone is born ambidextrous however ...

    https://answers.yahoo.com/question/index?qid=20120427184547AAmRfLw

  • kidshealth.org    Why Am I Left-Handed? - KidsHealth - the Web's most ...

    Most left-handed people have healthy and normal brains, ... While left-handers face some obstacles, they enjoy a real advantage on the playing field.

    http://kidshealth.org/kid/talk/qa/lefties.html

  • en.wikipedia.org    Handedness - Wikipedia, the free encyclopedia

    Moreover, as well as inconvenience, left-handed people have been considered unlucky or even malicious for their difference by the right-handed majority.

    http://en.wikipedia.org/wiki/Left-handedness

  • wonderopolis.org    Why Are Some People Left-Handed? | Wonderopolis

    I think it is amazing how many famous people are left handed. Being left handed, I am amazed at the amount of famous people. James Garfield was also left handed.

    http://wonderopolis.org/wonder/why-are-some-people-left-handed/

  • io9.com    Why Are Some People Left Handed? - io9 - We come …

    Joe Hanson dives into the science of the southpaw in the latest installment of It's Okay To Be Smart.

    http://io9.com/why-are-some-people-left-handed-1656548657

  • whyarepeoplelefthanded.com    WHY ARE PEOPLE LEFT HANDED - The Best Left Handed …

    Some left handed people insist that they were given a gift at birth. Others believe it is mostly genetics which is the most accurate explanation.

    http://whyarepeoplelefthanded.com/

  • www.coolquiz.com    Why are some people left handed? - Cool Quiz! Trivia ...

    "Because lefties do it right!" "Because left handed people are the only people in their right minds?" This question is definitely not a no-brainer.

    http://www.coolquiz.com/trivia/explain/docs/lefthand.asp

  • in.answers.yahoo.com    Why are some people left handed? - Yahoo

    Aug 09, 2007 · interesting question , the only thing i know abt why people r lefties is when they were babies they mostly did everything with there left hand n that just ...

    https://in.answers.yahoo.com/question/index?qid=20070808221131AAJntFs

  • www.everydayhealth.com    12 Little-Known Facts About Left-Handers - Healthy …

    ... and certain mood disorders in left-handed people, ... there is some evidence that left-handed people have the upper hand in at least one creative facet ...

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

  • www.ehow.com    Facts About Left Handed People vs. Right Handed People | eHow

    Sep 12, 2009 · The reasons why some people are left-handed are not entirely clear, but they seem to depend on a mixture of genetic and environmental factors.

    http://www.ehow.com/about_5412903_left-vs-right-handed-people.html

  • www.livescience.com    Why Some People are Southpaws | Left-handed

    Apr 16, 2013 · While there are some theories, scientists still don’t know why some people are left-handed.

    http://www.livescience.com/28754-why-people-are-left-handed.html

  • theweek.com    5 surprising facts about left-handed people - The Week

    That shows that left-handed people "implicitly" believe "good stuff is on the left and bad stuff is on the right," Casasanto says, as quoted by the Stanford Report, ...

    http://theweek.com/article/index/214847/5-surprising-facts-about-left-handed-people

  • www.ncbi.nlm.nih.gov    Why are some people left-handed? An evolutionary …

    (c) Geographical variation. The diversity of the tasks used to test handedness introduced complications in comparing hand preference across populations.

    http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2666081/

  • www.lefthandedcompliments.com    Left Handed Information : Why are Some People Left-handed?

    [ Famous Left-handers ] [ T-Shirts for Left-handers ] Left Handed Information Demographics. Approximately 8–15% of the adult population is left-handed.

    http://www.lefthandedcompliments.com/leftieinfo.html

  • www.thenakedscientists.com    Why are some people left handed? - Chris McManus ...

    Chris McManus, University College London. Listen Now Download as mp3 from the show Right Hand, Left Hand. We find out about asymmetry in nature: by firstly examining ...

    http://www.thenakedscientists.com/HTML/content/interviews/interview/1000657/

  • skeptoid.com    Left Handed Myths and Facts - Skeptoid: Critical …

    May 15, 2012 · There are many popular anecdotes about how and why some people are left-handed, but the true facts are even more interesting. by Brian Dunning

    http://skeptoid.com/episodes/4310

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