## The twisted math of knot theory can help you tell an overhand knot from an unknot

It's knot always easy to tell if two knots are the same

## Mathematicians hope digital "proof assistants" will fix the field's own replication crisis

Computer programs can be better than humans, but they're not perfect

## Meet Sophie Germain, the amateur mathematician who worked on number theory's toughest problem

Germain, or "Monsieur LeBlanc" to her professors, took a bold and creative approach to life and math

## A transcendental visualization of pi, for Pi Day

Let your mind drift in the styles of Marcel Duchamp and Philip Glass

## Pi's not just for circles. It's in springs and atoms and light

With certainty, pi's everywhere.

## Estimating pi with candy and a drawing

This is the perfect way to celebrate Pi Day, even without any pie

## 5 facts about Marjorie Lee Browne, African American math prodigy and pioneer

Breaking through barriers of race and gender, she pursued the beauty of pure math