Reuters - Cougars, believed to have vanished from Eastern Canada, could just be hiding.

Planet Ark : Humans Spur Worst Extinctions Since Dinosaurs...

Mad deer disease may spread with salivaBy LAURAN NEERGAARD, AP Medical Writer WASHINGTON - Deer probably spread a brain-destroying illness called chronic wasting disease through their saliva, concludes a study that finally pins down a long-suspected culpr...