Brain Shrinks From Exposure To Contaminant Bird Study Finds

... The regions in robins' brains responsible for singing and mating are shrinking when exposed to high levels of DDT, says new University of Alberta research--the first proof that natural exposure to a contaminant damages the brain of a wild animal."These residues have been persisting since the late 1960s--that's what is really disturbing," said Dr. [click link for full article] ...