And true to the energy of transformation, FDR was the first and only president to serve more than two terms. This 13th tier also represents the genesis of the nuclear age. In 1932, scientists split the atom. In 1945, they split the sky. A single pound can give lung cancer to everyone on Earth.
Plutonium is the product of nuclear reactors.
Once created, plutonium remains poisonous for more than 500,000 years. We are now spreading radioactive contamination to the solar system. Launched in October of 1997, amidst public as well as scientific protest, the Cassini mission is the first of 12 plutonium-laden missiles destined to map the outer planets and their moons. It carries 72 pounds of plutonium to the region of Saturn. There it will send the Huygens probe to land on Titan, Saturn's most promising moon for sustaining life.