So who cares if the Japanese are living in a radioactive cloud? We live on the other side of the Pacific. Think again, McGinty! If you are a sushi lover, you are consuming Fukushima Cs137, a long-lasting radioactive isotope. This computer simulation shows the spread of contamination 1412 days after the event occurred:
US officials constantly say that detected levels of cesium isotopes in migratory tuna are well below levels considered safe. Go ahead have another bite of tuna, mate. No worries!