Contrary to popular belief, one in four cowboys were actually black. The Indian/Western Taipan is the world's deadliest snake. Its bite contains enough venom to take out 100 adult humans in less than a half hour. The town of Salem, New Jersey once sued tomatoes - like, the concept of tomatoes - because they were supposedly poisonous. The trial ended with a guy eating a whole basket of tomatoes. St. Elmo's fire, the phenomenon in which a pointed object has a violet or blue glow thanks to electricity in the air, is actually a form of plasma. The letters J and Q don't appear in the periodic table of elements. Caterpillars liquefy in their cocoons before turning into butterflies.