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A collection of clay and ceramic pipes collected by underwater archaeologists from the remains of the submerged Jamaican city of Port Royal, is shown to a press conference

Sun is the most perfect sphere ever observed in nature

Sun is the most perfect sphere ever observed in nature -- http://www.scoop.it/t/science-news/p/2432259896/sun-is-the-most-perfect-sphere-ever-observed-in-nature

burnedshoes: “© Arthur M. Prentiss, ca. 1915, Lumberwork Selection from a series of occupational photographs of the lumber industry in Portland, Oregon and Challam Bay, Washington, taken by two...