Lawmakers from South Korea's opposition flew to Japan on Monday to join forces with their Japanese counterparts in a show of protest against Tokyo's plan to dispose of some 1.33 million metric tons of radioactive wastewater accumulated and stored in the destroyed Fukushima Nuclear Power Plant.

"Artificial mussels" (AMs) can effectively measure low concentrations of radionuclides in the sea, offering a low-cost solution as global concern over the pollution of radioactive wastes in the ocean rises, according to a cross-institutional study in Hong Kong.