Pi, the circle constant in mathematics, is under attack, The Advertiser reported Tuesday, with an underground movement rounding up support for its successor, Tau. Pi is the "irrational" infinite ...

As a physics reporter and lover of mathematics, I won’t be celebrating Pi Day this year. That’s because pi is wrong. I don’t mean that the value is incorrect. Pi, known by the symbol π, is the number ...

This article is from Proof Positive, our friendly newsletter that explores the joys and peculiarities of math. Sign up today for a weekly math essay and puzzle in your email inbox. “I know it will be ...