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Videos, The jellyfish are coming! Researchers puzzle over exploding population

by on October 7, 2013

Revive

A “jellyfish bloom” may sound pretty, but it can get ugly fast. A swarm of moon jellyfish from the Baltic Sea were sucked into the cooling pipes of a nuclear power plant on the Swedish coast last week, shutting down one of the three units for four days.

In 2008, another such “bloom,” glowing purple, wiped out an entire farm of salmon in Northern Ireland by stinging and suffocating the 100,000-strong school to death. Every summer, since the early 2000s, fishermen in Japan brace for swarms of Nomura jellyfish, tentacled monsters the size of a Smart Car. In Israel, where jellyfish routinely clog plumbing in power plants, some companies have set up designated summer jelly-watch squads.

And guess what? This jellypocalypse is our fault.

“There are systems in which jellyfish have increased,” said Mark Gibbons, a researcher at the University of the Western Cape in South Africa…

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