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Published in : 2015-02-03 | by TED-Ed
View full lesson: http://ed.ted.com/lessons/why-are-some-people-left-handed-daniel-m-abrams Today, about one-tenth of the world's population are southpaws.
Published in : 2016-04-26 | by BuzzFeedVideo
"Did you know that left-handed people die 10 years earlier than right-handed people?" Check out more awesome videos at BuzzFeedVideo!