Reasons for missing school range from illness to bullying, academic struggles, boredom and instability at home.

Prime numbers are sometimes called math’s “atoms” because they can be divided by only themselves and 1. For two millennia, mathematicians have wondered if the prime numbers are truly random, or if ...

Here’s a plot fit for a Hollywood movie: A Harvard Business School professor goes to Las Vegas and conquers “Sin City” not by a display of Tony Soprano muscle, but by hiring math geeks and computer ...