A “massive and unpredictable presence of jellyfish” was detected in the filter drums of the plant's pumping stations.

Engineering surveys have begun in Ulken in the first step towards constructing Kazakhstan’s first nuclear power plant.

The automatic shutdown resulted from a massive and unpredictable presence of jellyfish that reduced seawater flow to the reactors,” said the power operator.

One of the largest power plants in France, located near the city of Calais, had four reactors shut down automatically on Sunday. The culprit? Lots of jellyfish. The World’s Host Marco Werman explains.

Four reactors at France’s Gravelines nuclear power plant, located along the English Channel, were temporarily shut down over ...