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About TED-Ed Originals

TED-Ed Original lessons feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed original? Nominate yourself here »

Meet The Creators

Daniel M. Abrams

Lisa LaBracio

Krystal Downs

Animation Artist
Michael Dow

Sound Designer
Alex Gendler

Script Editor


Additional Resources for you to Explore
Can cooperation and competition affect the evolution of left-handedness or right-handedness in a population? Researchers Daniel Abrams and Mark J. Pannagio have researched this very topic and presented it in this TED Ed lesson. Read the article: Shedding Light on Southpaws and find out more about their research. Listen to an Academic Minute interview of the author here!

Are you a “lefty” or a “righty?” If you are a lefty, you share the same trait with people like Barack Obama, Carl Sagan, Alexander the Great, H.G. Wells, and Richard Simmons. They are all left-handed too! Visit this site and find out more people who share this trait with you. Time Magazine’s Top Ten Lefties includes Oprah Winfrey and Ned Flanders. Will you be a top-ten lefty someday too?

Still unsure about how people become left handed or right handed? Read this article for more information or watch this PBS Digital short: Why are some people left-handed? Is being left-handed still and evolutionary mystery? Brain Pickings has some information about this topic! Right Left Right Wrong has nearly all of the science behind handedness. Take a look at it and find out more!

If you are a lefty, you may be feeling “left” out of society, but there are many reasons to celebrate your uniqueness! Read: 11 Little Known Facts about Left-Handers and find out more. Being left-handed can be quite advantageous when it comes to creativity and music. Although not proven scientifically, there are some quite talented and creative left-handers out there! Check out NPR’s : “Uncommon” Sound of Left-Handed Guitarists and then visit Gibson Guitar’s site and listen to some of these “southpaw” musicians like Jimi Hendrix and Paul McCartney.

Finally, looking for a reason to celebrate? August 13 is officially Left-handers Day!