Although biological and chemical warfare may seem like something out of a television show, it exists in real life. Because of their destructive nature, biological germs and chemical poisons are labeled weapons of mass destruction. People, cities, and even animals and crops have been targets of biological and chemical attacks. Laws have been passed to limit the construction of these weapons, but the fight continues. Governments around the world are trying to find solutions to the ongoing threat of these dangerous weapons. Headline Science uses news stories and everyday applications to explain the science behind UV Rays.