Mass die-offs have killed West Coast salmon for years. Scientists now think they know why


For decades, mass die-offs have been claiming coho salmon as they return to spawn in streams along the US West Coast. Now scientists have zeroed in on what they think is the culprit: a toxic chemical antioxidant that’s used in tire rubber.

Times2 Desk
Latest News Headlines: Times2 covers Latest India News, Top Today's Breaking News on Business, India, World, Politics, Entertainment and Sports …