tagged with: serotonin, humor, chemical molecule, biochemistry, chemistry, geek, this machine is powered by, molecular structure, words and unwords, powered by serotonin
Showcase your wry biochemical attitude with any of these featuring the chemical structure of the molecule that is largely responsible for mood and appetite in all of us, serotonin. Includes the following scientific truism that will make others do a double-take: "This Machine Is Powered By Serotonin".
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