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Podcast: レアジョブ英会話 Daily News Article Podcast
Episode: Scientists say they have solved the mystery of what killed more than 5 billion sea stars
Description: U.S. scientists believe they've at last solved the mystery of what killed more than 5 billion sea stars. A strain of the bacterium Vibrio pectenicida has been attacking the sea stars—often known as starfish—in a decade-long epidemic on the West Coast of North America.
Marine researchers have been searching for the cause of what has become known as sea star wasting disease since large numbers of them perished in 2013 from Mexico to Alaska. The epidemic has devastated more than 20 species and continues today. Worst hit was a species called the sunflower sea star, which lost around 90% of its popu...