date:Mar 20, 2013
Scientists report in a new study that they can use trace amounts of radiation in bluefin tuna to sketch the crisscrossing passage of the fish through the world's largest ocean. Understanding how many fish move back and forth may help with the conservation of bluefin tuna.
During the Fukushima nuclear disaster, two years ago, radioactive particles flooded into the Pacific Ocean. Bluefin tuna swimming through these waters began to store certain radioisotopes, called cesium 134 and cesium 137, in