I've been reading in the news recently about a proliferation of jellyfish in the Mediterranean. Seems more and more people are suffering the painful stings of jellyfish which can also be fatal. Various hotels are protecting swimming pool-sized sections of water near their beaches with nets to keep the jellyfish away from swimmers.
Some swimmers are investing in special full-body suits which have been found to protect them from the stings.
Here again, however, mankind is reaping what they have sown. The natural predators of jellyfish have been depleted in numbers, allowing the jellyfish population to rise. We've gotten ourselves into another environmental jam. A jellyfish jam. It doesn't take a rocket scientist to figure out the solution to these kind of problems. Upset the natural balance and you must pay the piper.