Debates over how geometry is understood and learned date back at least to the days of Plato, with more recent scholars ...

This article is from Proof Positive, our friendly newsletter that explores the joys and peculiarities of math. Sign up today for a weekly math essay and puzzle in your email inbox. Countless debates ...

"I fear for the future of this country. I won’t see the ultimate consequences, but there are enough signs right now to tell ...

Have you ever wondered who is behind geometry's most fundamental truths? You guessed it: it is Euclid of Greece.