Mutant jellyfish invade Nuke plant, wreak havok. - seriously.

Baltimore Tales: Abnormal Jellyfish Shut Down Nuclear Reactor

Don't miss my brothers article on the new threat of jellyfish to national security. Apparently a species of jellyfish that had previously been found to actually slow or stop ships in the Baltic Sea is now being attracted to Swedish nuclear power plants and is actually shutting them down. No word on whether this is due to space based genetic engineering... but then, there wouldn't be, would there?