Crayola is a French word that means "Oily chalk."

The clown fish has the ability to change its sex. If a breeding female dies, the male fish will change its sex and mate with another male.

Over one million Pet Rocks were sold in 1975, makine Gary Dahl, of Los Gatos, California, a millionaire. He got the idea while joking with friends about his pet that was easy to take care of, which was a rock.

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