Seoul witnessed Radioactive Rain as winds blew from neighboring Japan which has witnessed the second biggest nuclear energy accident after Chernobyl.Though the the Rain contains cesium and iodine particles they are well within the safety limits according to the South Korean Nuclear Safety Regulator.South Korea has already protested against the lack of information about the Nuclear Emissions and the Deliberate Dumping of Toxic Seawater by TEPCO.However many schoolchildren stayed at home as worried parents were concerned about the impact of the radiation.China the other major close nation in proximity to Japan has also detected low levels of iodine in spinach in 3 provinces.China had earlier reported trace levels of radiation in Guangdong and Shanghai.Note Iodine has a very low half-life so that problem should not persist for long.However cesium is another matter as it can lodge inside human body and keep emitting for a long time internally.