Why Fresh Water Makes Jellyfish Stings Worse: The Lifeguard’s Counterintuitive Lesson
You’ve been stung by a jellyfish, so you rush to the outdoor shower for relief—but a lifeguard stops you. That moment reveals a counterintuitive truth about ocean biology: fresh water triggers thousands of microscopic venom injectors you didn’t know were still loaded in your skin. Here’s the science of why, and what to do instead.