Hank explains the science behind the "cinnamon challenge," and reveals why it is nearly impossible to complete.

Do not attempt the cinnamon challenge! Instead, why not just watch some videos of the thousands of YouTubers failing at it! That's what we at SciShow call doing it "the Smart Way."

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Watch John try the cinnamon challenge on Crash Course World History: http://www.youtube.com/watch?v=HQPA5oNpfM4





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