Thanks to Jeannie A. About Pepper Spray By Deborah Blum, Speakeasy Science, November 20, 2011 https://blogs.plos.org/speakeasyscience/2011/11/20/about-pepper-spray/ One hundred years ago, an American pharmacist named Wilbur Scoville developed a scale to measure the intensity of a pepper’s burn. The scale – as you can see on the widely used chart to the left – puts sweet […]








