Here’s what you’ll learn when you read this story:A swarm of jellyfish shut down four of six nuclear reactors at the Gravelines power plant near Calais, France. But there’s another accolade that they can affix to their already impressive biological resumé—they’re the scourge of nuclear reactors. Related Story Could Salt Help Power Floating Nuclear Reactors? The outlet also notes that in years past, similar jellyfish disruptions have impacted nuclear reactors around the world, including in Japan, Scotland, and Sweden. Related Story Can America Turn Its Nuclear Power Back On?