7 Discoveries Scientists Made by Licking Things

You probably know not to lick something unfamiliar. But there are actually a surprising number of discoveries that have been made because scientists licked things.

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https://twitter.com/mikamckinnon/status/1030860663667740673?lang=en
https://voices.pomona.edu/2013/11/on-the-merits-of-licking-rocks/
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http://www.artsci.utoronto.ca/main/itn/barbara-sherwood-lollar-taste-ancient-water

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