In a study that prompted criticism from other experts, French scientists said on Wednesday that rats fed on Monsanto's genetically modified (GM) corn or exposed to its top-selling weedkiller suffered tumors and multiple organ damage.     Gilles-Eric Seralini of the University of C... [More]

One of the nation’s most widely planted crops — a genetically engineered corn plant that makes its own insecticide — may be losing its effectiveness because a major pest appears to be developing resistance more quickly than scientists expected. The U.S. food supply is not in... [More]