If You Can Solve These 24 SAT Math Problems, Your Logic Skills Are Top-Tier

Test your SAT math knowledge with this quiz. This challenge is inspired by the SAT-style math, designed to test your ...
Quanta Magazine

New Math Revives Geometry’s Oldest Problems

In the third century BCE, Apollonius of Perga asked how many circles one could draw that would touch three given circles at exactly one point each. It would take 1,800 years to prove the answer: eight ...