Great animation created by ‪#‎BenjaminArthur‬ entitled “Exploring The Invisible Universe That Lives On Us — And In Us” and published by ‪#‎NPR‬ about all those microbes living on and in us. Enjoy!
http://www.npr.org/sections/health-shots/2013/11/01/242361826/exploring-the-invisible-universe-that-lives-on-us-and-in-us