What's up in
When Steven Weinberg died last month, the world lost one of its most profound thinkers.
Using high school algebra and geometry, and knowing just one rational point on a circle or elliptic curve, we can locate infinitely many others.
Math teachers have stymied students for hundreds of years by sticking goats in strangely shaped fields. Learn why one grazing goat problem has stumped mathematicians for more than a century.
Get highlights of the most important news delivered to your email inbox