More than 40 metric tons of bee-harming neonicotinoid insecticides, known as neonics, have been estimated to be flowing through Asia’s longest river every year, according to a new study published by researchers in Scotland and China. More than 40 metric tons of bee-harming neonicotinoid insecticides, known as neonics, have been estimated to be flowing through Asia’s longest river every year, according to a new study published by researchers in Scotland and China. Environment Phys.org – latest science and technology news stories