Here's a story that I read:
In 1912, a pharmacist named Wilbur Scoville came up with a test to measure the spiciness of peppers. His method used taste testers to determine how many times one needed to dilute a paper before the capsaicin — the chemical compound within peppers which makes them spicy — is indetectable.
via Pocket http://ift.tt/SgbJuQ
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