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Chemistry is like cooking, except you can't lick the spoon. Licking the spoon is very, very bad in a laboratory, because what you think is H2O could really be H2SO4. The last guy who licked the spoon is dead, and we had to barium. If your chemistry jokes don't get any reaction, try this In The Lab Long Sleeve Button-Down Shirt instead. This 100% cotton shirt is exclusive to ThinkGeek, and has test tubes, molecules, flasks, radioactive symbols, and much more printed all over the front and back...