‘By the Wind Sailors’ Invade California Beaches by the Thousands
They are iridescent, shiny blue and jellylike, with stinging tentacles that dangle from their flat, oval-shaped our bodies. Just three to 4 inches lengthy, these alien-looking creatures use a brief, clear flap of pores and skin to catch gusts of wind, propelling them by way of the ocean. That flap, or sail, is how they…