Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

On π-day, one mathematician explores our fascination with pi and asks why we obsessively compute its digits. Pi Day, the International Day of Mathematics, is celebrated on 14 March, due to the date's ...

I did a Q&A this week at the website io9, and one of the questions was something I get all the time: How can you add up a series of infinitely many numbers and get a finite answer? This question has ...

Pi Day, the International Day of Mathematics, is celebrated on 14 March, due to the date's American shorthand 3/14 – the first three digits of π. The true number of digits after the decimal place ...