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Agriculture, hula hoops, SARS, and THIS video: how long did they take to get around the earth?
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MinuteEarth provides an energetic and entertaining view of trends in earth’s environment — in just a few minutes!
Created by Henry Reich, with Alex Reich, Peter Reich, Rose Eveleth, Emily Elert, and John Guittar.
Music by Nathaniel Schroeder http://www.soundcloud.com/drschroeder