From Science News, physicists have shown that tumbled strings will form surprisingly complex knots, helping explain how knots spontaneously form in nature. From Wired, a look at the top 10 scientific breakthroughs of 2007. From Scientific American, a look at the top 25 science stories of 2007. No, we don’t want to kiss and make up: Lifelong feuds can be good for science, even if they are bad for the soul. A review of Copernicus' Secret: How the Scientific Revolution Began by Jack Repcheck. The Edge Annual Question 2008: When thinking changes your mind, that's philosophy; when God changes your mind, that's faith; when facts change your mind, that's science — so what have you changed your mind about?