Whenever I think of jellyfish, I think of the story I read years ago about how they are a recurring nightmare for Japanese fishermen. These guys just want to catch some fish for some delicious sushi, but then massive blooms of jellyfish start clogging the fishing nets, ripping them apart, and sometimes poisoning or suffocating the fish trapped alongside them, ruining the catch. A team of researchers wants to change that by turning some of those …