First Proof that Evolution Can Work Faster Than Genetic Engineering

Click to view For years, farmers have been growing genetically-engineered cotton plants that exude an insecticide known as Bt. But now, a pest called the bollworm moth has evolved a resistance to Bt — and the altered bugs have already spread across part of the southern United States. This is the first-known example of… » 2/08/08 7:00am 2/08/08 7:00am