A high school discovered Perc on drying cleaning fabric

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We shouldn't deny the knowledge and the curiosity of our genius teens. They maybe seems naive and curious all the time, but that is how the big discovery will come out of lights. From a Washington Post, a high school teen named "Alexa Dantzler" conducted a science project at school, and discovered that a Dry Cleaning chemical called "Perc" has 70% chance remain on the fabric after dried clean, which will cause cancer and neurological damage. Such result also conducted in Georgetown chemistry department, which approved such result. Would that be great, and give us a heads up on such damage that related to dry cleaning?