date:Mar 20, 2013
cific Bluefin Tuna Working Group found that the bluefin tuna population has dropped more than 96 percent from historical numbers.
To get at these chemical clues, the team of scientists asked recreational bluefin fishermen in Southern California for a slice of their fish -- a chunk of muscle about the size of two decks of cards.
By measuring the levels of radioactive cesium in the steak, the team could pick apart the new arrivals from the tuna that had been swimming in the eastern Pacific for m