How Stuff Works: Salt DVD
Series: How Stuff Works is about the stuff that powers our modern world. Follow the incredible journey of common goods from the ground to your table, car, closet, medicine cabinet, and places you may have never imagined.
Program: This prehistoric, life-saving material has more than 14,000 known uses, from food seasoning to road cleaning. The program considers how the molecular structure of sodium chloride allows it to be combined, broken apart, and mixed with other substances to create essential products. The presentation also profiles different methods of removing salt from the ground and the oceans, including solution mining, desalination, and dry salt mining.