ROCHESTER, N.Y. — Jennifer Craig stared at her daughter's fifth-grade math homework. It was a three-digit multiplication problem, and it seemed simple enough. But her 10-year-old was supposed to ...

Untying a math mystery. By Margaret Wertheim . March 6, 2006 12 AM PT . Share via Close extra sharing options. ... Although knots in math are essentially one-dimensional objects, ...

The beginner math mystery, available to anyone, concerns the origin of numbers. It’s a simple speculation: Where do numbers come from? No one knows. Were they invented by human beings?

Revisit "The Great Math Mystery," fresh from the archives and just nominated for an Emmy Award. Join NOVA on a mathematical mystery tour—a provocative exploration of math's astonishing power ...

The Problem. Three sisters combine their money to buy a mystery box full of an unknown amount of comic books. The box arrives at the sisters’ house one night, and they agree to store it in their ...

The Math Mystery That Connects Sudoku, Flight Schedules and Protein Folding. Thousands of notoriously difficult problems in computer science are actually the same problem in disguise.