ECTOR COUNTY, Texas — In a world where children spend more time than ever on devices like iPads and laptops, Ector County ISD is transforming that screen time into valuable learning with a new math ...

At the University of Illinois last week, a big man in a rumpled brown suit strode up to a blackboard and wrote: ‘ times zero equals zero.” Then he asked ten junior-high-school students to make the ...

Pi is undoubtedly the world's most popular irrational number. And that's because it's unequivocally cool — I mean, what other mathematical constant has its own day? On its face, pi is a simple concept ...