kelp

Kelp grows from the ocean floor in both cold and temperate coastal waters around the world, and is distinguished by long vines, ridged and slippery leaves, and air-filled bulbs. Surfers like kelp because it helps keep the waves smooth; kelp canopies just outside the surf line will filter out small wind-chops, and the plant itself releases a mildly viscous oil that floats on the surface and further...