Blooms of giant Nomura's jellyfish (Nemopilema nomurai) have troubled Japanese fishing crews. KYODO/NEWSCOM

In the past year, jellyfish have wreaked havoc in various places around the world, forcing shut downs of nuclear power plants in Florida, Scotland, Israel and Japan and hampering fishing fleets. What’s going on? Read more here in this Nature News article by Mark Schrope. Friday Harbor Labs’ Connie Mills is mentioned.