It Pays to Smile – Sick Science! #171

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SICK SCIENCE APPAREL NOW AVAILABLE! Click here: http://spanglersci.com/SickScienceApparel

Find out why this happens at: http://www.stevespanglerscience.com/lab/experiments/it-pays-to-smile

Want more experiments like this? Check out http://www.stevespanglerscience.com/product/naked-eggs-and-flying-potatoes

Sick Science™ is a trademark of Steve Spangler, inc.

© 2013 Steve Spangler Science all rights reserved

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