Ed Sheeran is back again! In a new video, Ed is shown writing and doodling, possibly hinting at a new era for his new music ...

After a foray into the art of pie-making, Abbey enjoys the opportunity to share lessons with others on Pi Day.

Math fanatics from all around the world and everyone else who just loves ancient Greek pi (or pie) celebrate on March 14.

When is National Pi Day 2025? What to know about Pi Day activities for kids, songs, movies, jokes, deals, snack ideas and more.

Math enthusiasts around the world ... when Welsh mathematician William Jones began using the Greek symbol for the number. Why that letter? It’s the first Greek letter in the words “periphery ...