SAN FRANCISCO -- Every March 14, mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign Pi. That's because the date written numerically ...

Not just mathematicians and rocket scientists, National Pi Day is celebrated across the U.S. by students, teachers and science enthusiasts. The day is observed on March 14 (3/14 in the month/date ...

Math lovers and pizza enthusiasts can unite today. It's Pi Day! Get ready to drool! Pi Day pies are taking over social media, and the world can't get enough. From Oprah to The Big Bang Theory, this ...

Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14 — the first three digits of an infinite number with many practical ...

Pi is one of the coolest (and most used) mathematical constants there is. It first arrived in written word on 1900-1600BC Babylonian clay tablets, where pi was estimated to be 23/8≈3.1250. Pi is an ...

It isn't The Pioneer Woman without "pi!" In the baking sense, Ree Drummond is no stranger to the pastry, whether she's whipping up apple pie, pot pie, or Ladd's favorite chocolate pie. One of the best ...

A freshly decorated Key Lime pie rests on a counter in a busy bakery kitchen at Michele's Pies, Wednesday in Norwalk, Conn. Math enthusiasts and bakers celebrate Pi Day on March 14 or 3/14, the first ...