Some jellyfish pack a sting. 🪼 As the water warms up it’s common to see more jellyfish at this time of year. 🏖️ Even when they’re washed up onshore their tentacles can still deliver a nasty sting. 😫 Stinging is caused by the simultaneous firing of thousands of teeny-tiny cells called nematocysts. Coiled inside the nematocysts are little threads with a venomous barb on the end, like a mini harpoon. Upon contact with a tasty meal or unsuspecting beachgoer, the nematocysts fire off these venom-l