The ongoing war between the natural world and humanity has entered its squishiest battle yet. On Monday, France’s Gravelines nuclear power plant went from humming along nicely to locked up like a French waiter being asked for ketchup thanks to a “massive and unpredictable presence of jellyfish.”

Since its inception, nuclear energy has faced a host of opposition, from oil conglomerates to well-intentioned anti-nuclear-weapons activists to environmental groups. As it turns out, even ocean critters are getting in on the movement.

France's EDF power company restarted one reactor at the Gravelines nuclear power in northern France on Wednesday after a je