Floating just below the surface of the water near Italy's Mt. Vesuvius, an octopus suns its head lump in this National Geographic Picture of the Day.
Thanks Maggie Fitzgibbon!
Maggie Koerth-Baker is the science editor at BoingBoing.net. She writes a monthly column for The New York Times Magazine and is the author of Before the Lights Go Out, a book about electricity, infrastructure, and the future of energy. You can find Maggie on Twitter and Facebook.