Happy Pi day!

Amanda Gefter, Books & Arts editor It’s March 14th, 3/14 (in American notation), the day to celebrate the wonders of mathematician’s favorite number. Often rounded to 3.14, the mysterious number – which of course denotes the ratio of a circle’s circumference to its diameter – is irrational, its decimal digits extending to infinity. On the main [...] http://bit.ly/amMPl0