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In this episode, a high tech submarine allows for better underwater exploration; an average nose can sense 1,200 flavors; mysterious stains on St. Louis’ Gateway Arch prompt a tricky testing procedure; and the U.S. military is turning to microgrids to keep its power reliable and secure.
First Air Date : Sep 25, 2014
Last Air date : Jun 01, 2016
Episode : 76 Episode
Season : 2 Season
Runtime: 26:14 minutes
Studio: PBS
Country: United States of America
Cast:
Crew:
