NOVA Official Website | Hunting the Elements
2012/04/04· HUNTING THE ELEMENTS PBS Airdate: April 4, 2012 DAVID POGUE (Technology Guru): Why do bombs go boom? You have created fire! I could feel that puppy! How much gold is in 400 tons of dirt? MIKE LASSITER (Refinery Supervisor, Barrick Gold Corporation): There''s about a million and a half dollars there.