A few days ago I posted about large numbers of large jellyfish in Scotland. This time the jellyfish are much, much larger and from Japan. They occur in such large numbers they have been referred to as a "jellyfish typhoon".
What's the problem? It cripples shipping boats and has "been known to disabling[sic] nuclear power stations by blocking the seawater pumps used to cool the reactors".
The original story is here.