19 Interesting Facts
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Urea, a chemical found in your pee, is added to cigarettes to enhance flavor.




Of course, it can be artificially synthesized as well. It's colorless and odorless, unless mixed with water. Then it has a very strong odor.

Urea can also be used in fertilizer, various plastics, animal feed, adhesives used to make plywood, and an explosive (known as urea nitrate).

Urea is sometimes used in car and truck engines to reduce pollutants from exhaust. It's an ingredient in Nair, the hair remover, and can be used for de-icing and resurfacing snowboards, and as a fire-proofing agent. It can also be found in teeth whitener, dish soap, yeast, and textile dyes.
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