While you unwrap that luscious truffle, let Hank explain the science of chocolate -- where it comes from, what its active ingredient is, and how it works. Also learn the difference between chocolate, cocoa, cacao and coca, so you really know what you're talking about the next time you pass the candy dish.
Friday, February 14, 2014
Video: The Science of Chocolate (aka the real meaning of Valentine's Day)
From SciShow (warning - autoplay video at link):
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