There's a Jellyfish Infestation All over the World. They're Preventing Tourists, Fishermen, and Energy -- but They Don't Seem to Be Going Anywhere for Half a Billion Years on Earth -- Just the Beginning. Why Is Jellyfish Getting Bigger?

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Our revision, of course, is sensitive to jellyfish, especially since these organisms have been increasingly on the news lately. For example, in early September, for the second time in a month, they caused serious disruptions at one of France's largest nuclear power plants: jellyfish have entered the filters of the cooling system, forcing one reactor out of four to stop and lower the power of another. A scientific journalist, the author of the Le…