These jellyfish have a superpower. The implications could be huge / Citizen science data characterizes threat due to visits by swarms of jellyfish on the coast of the province of Malaga / Paddling to school through jellyfish for charity / One jellyfish arrived in B.C. decades ago. Thousands of clones spread to 34 waterways / Mystery as hundreds of rare purple jellyfish found washed up on beach / Swarm of 'fried egg jellyfish' invade Spanish beaches as tourists urged to seek help / Mar Menor jellyfish challenge / "Jellyfish soup, please"; Italian restaurants experiment with flavours amid the jellyfish spread / Unusual jellyfish wash up on north coast beaches / Almeria's jellyfish invasion