Today’s crossword theme was another delight to uncover. There’s a rebus square, a visual joke and a truly elegant design ...

Mathematicians have been trying to prove the Jacobian conjecture for nearly a century, but now the Claude Fable 5 AI has ...

Math difficulty is still not well understood. But a systems approach may lead to advances in diagnosis and treatment.

One-third of all food in America is wasted leads to billions of dollars lost each year, according to a new Gallup survey on the state of food waste in America. Until now, researchers have known little ...