It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A ...

A new study on mice shows that luck in early life can determine success as an adult, especially when competition is high.

Despite major offseason moves in New York, Minnesota, and Oklahoma City, it's the Celtics who remain firmly atop the NBA Championship odds board ... brands in the world including Walt Disney ...

A comprehensive and coherent set of mathematics standards for each and every student from prekindergarten through grade 12, Principles and Standards is the first set of rigorous, college and career ...