cobalt-60

(Newser) - Six people have been arrested in the theft of a truck carrying radioactive material in Mexico, an official tells the AP . All were admitted to a hospital in Pachuca, central Mexico, where they're being tested for radiation exposure. Another official says all six are dizzy and showing skin irritation,...

(Newser) - Mexican troops and federal police kept a nighttime watch on a rural field where thieves abandoned a stolen shipment of highly radioactive cobalt-60, while officials began planning the delicate task of recovering the dangerous material. And while officials say a nearby town is not in danger, the thieves themselves are...