Copper from car brakes and mining is making salmon prone to predators
Tuesday, July 10, 2012 - 15:00
in Biology & Nature
Minute amounts of copper from brake linings and mining operations can affect salmon to where they are easily eaten by predators, according to new research. Biologists found the metal affects salmon's sense of smell so much that they won't detect a compound that ordinarily alerts them to be still and wary.