The 10 most popular TED-ed lessons of 2013

With 2013 winding to a close it's time to take a look back at some of the most popular lessons of 2013 from TED-ed.  Here are the 10 most viewed lesson plans for the year.  If you have any great lessons to share with the world and think you can pack them into 6 minutes or less of pure gold be sure to submit it to TED-ed.