From Science News, small infinity, big infinity: A mathematician develops a new proof showing that infinity comes in different sizes. Math as popular entertainment: Can number crunchers go mainstream? Medieval mosque shows amazing math discovery The never-repeating geometry of quasi crystals, revealed 500 years early. Tours de force on physics and man: A review of The Universal Force Gravity: Creator of Worlds by Louis Girifalco and Faust in Copenhagen: A Struggle for the Soul of Physics by Gino Segre. The most massive known black hole in the universe has been discovered, weighing in with the mass of 18 billion Suns. Cosmic cloud on collision course: Hydrogen beast is closing in on the Milky Way.