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 biological and chemical warfare.

Chemical weapons threaten society -- The dangers of bioweapons -- Around the world -- Terrorist activity -- Weapons control.