A French nuclear plant temporarily shut down due to a large presence of jellyfish clogging its cooling system. The Gravelines plant's four units switched off automatically, but there was no safety impact. The incident is considered a nuisance rather than a nuclear event, and the plant teams are working to restart operations. Jellyfish have caused similar issues at other power stations in the past, especially during warmer months. Teljes cikk (bbc.com europe)