As the crisis at Japan's Fukushima Daiichi nuclear plant continues, some worry that radiation from the damaged reactors will reach U.S. shores. Dr. Edward Maher, president of the Health Physics Society, and an environmental science expert at Harvard, explains why we should breathe easy.
Both a major buyer and processor of fish, Japan is an important link in the global seafood distribution chain. So the effects of the disaster -- including the ruined ports, roads, fisheries and processing centers -- have taken their toll on the seafood industry worldwide.
Amid panic about the possibility of a radioactive fallout from Japan, Geiger counters and radiation pills have been flying off the shelves, sometimes at unscrupulous prices.
Ever since the attempt to blow up a U.S. airliner on Christmas Day, there has been increased attention given to full-body imaging scanners. But now concerns are growing that the scanners may actually pose a health risk by exposing passengers to radiation.
