Cobalt-60 rods have been involved in nuclear accidents, contamination scares, and even theoretical weapon designs. This is the chilling story of how radiation can be a silent, invisible killer ...

Radioisotopes of elements have a wide variety of uses. Cobalt-60 Used in medicine to treat cancer. Gamma rays can be focused on tumors. Iodine-131 Used to treat thyroid gland (in the neck).

UP-TO-DATE and Gola potatoes were irradiated about 2 weeks after lifting with 3,000, 6,000 and 9,000 rads of cobalt-60 γ-rays at the rate of 3,000 rad/min and cold-stored with appropriate ...