For over two millennia, mathematicians agreed on one thing: you can’t use trigonometry to prove Pythagoras’ Theorem—because trigonometry is built on it. That logic, drilled into students and scholars ...

Tired of ugly fights? Better communication starts with kindness. Try these simple tools to fight fair, strengthen emotional ...

A philosopher suggests that we don't have to like each other in order to overcome polarization and work together.

Christopher Columbus Never Tried to Prove the Earth Was Round. His True Goal Was Far More Ambitious. There are quite a few ...