WAKO, Japan, March 5 (UPI) -- To protect plants from radiation-contaminated soil, scientists in Japan have been testing the effects of certain synthetic compounds. Recently, researchers identified one that limits a plant's absorption of the potentially deadly elements.
It's been four years since the Fukushima Daiichi nuclear disaster -- a lifetime in the fast-paced 21st century. But for slow-decaying cesium-134 and cesium-137, two of the dangerous radioisotopes that escaped and leached into the environment during the meltdown, four years is nothing.