Potassium hydroxide is used to identify certain kinds of mushrooms. A 3-5% aqueous solution of KOH is applied to the flesh of a mushroom and the researcher notes whether or not the color of the flesh changes. Certain species of boletes, polypores, and many gilled mushrooms are identified based on this color-change reaction.It's on a list of tests here as well. There's not much indication of what the color change indicates - looks like it's just used for identification?
The fate of Thag Simmons notwithstanding, dinosaurs and humans did not exist in the same era. In The Prehistory of the Far Side, Gary Larson suggests that "there should be cartoon confessionals where we could go and say things like, 'Father, I have sinned – I have drawn dinosaurs and hominids together in the same cartoon.'"[13]
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THE SPONGEBOB MARKETING PEOPLE MUST BE STOPPED.
posted by zarq at 11:24 AM on June 17, 2011 [2 favorites]