For several years now, one question has held the key to understanding just how much we should worry about the hundreds of tons of DDT that had been dumped off the coast of Los Angeles: How, exactly, has this decades-old pesticide — a toxic chemical spread across the seafloor 3,000 feet underwater — continued to reenter the food web? Now, in a highly anticipated study, researchers have identified tiny zooplankton and mid-to-deep-water fish as potential links between the contaminated sediment and... Read this story
