欧美a视频在线观看-欧美bbww-欧美bbwxxxx-欧美freexx-亚洲国产剧情在线-亚洲国产剧情在线精品视

Bluefin tuna may have carried Japan's radiation to US: Study
date:May 30, 2012
The study was authored by Daniel Madigan of California's Stanford University, and Zofia Baumann and Nicholas Fisher, from Stony Brook University in New York.

Researchers found that the 15 bluefin tuna caught off the coast of San Diego, California in August 2011, contained slightly elevated levels cesium-137 and cesium-134.

However, the researchers said that the radioactivity levels did not pose any risk to human health and were far less than the Japanese safety limit.

The study noted that the

03/10 16:49