How Deadly is Plutonium?

Rarely is the word “plutonium” published in a major news source without the adjective “deadly” nearby. Ralph Nader, noted activist and lawyer, once claimed that plutonium was “the most toxic substance known to mankind.” Hundreds of millions of dollars are being spent each year in the United States doing studies of the characteristics of a…

Constant Exposure: How Much Radiation is Normal?

Everyone on earth is continually exposed to radiation. It comes from the certain isotopes of carbon and potassium in the food we eat, from cosmic radiation, from radon gas and from the decay of naturally occurring uranium, thorium and their decay products. Radiation: A Part of Daily Life There is a wide variation in the…