In 2011, Maritime biologists manufactured a baffling discovery—in excess of one,300 nearly great circles scattered throughout the Mediterranean Sea floor from the coast of Corsica. These formations, some 67 toes vast, sparked innumerable theories: were they volcanic craters, WWII bomb scars, or anything even stranger? With this online video, https://medium.com/@perfectseoservice2017/the-thriller-of-one-three-hundred-best-circles-on-the-mediterranean-seafloor-science-unveils-the-f6327a72d07b