A thriving university town with a rich history and scenic surroundings, here are some of the best things to do in Athens, Ohio.

Six-time USA Memory champion Nelson Dellis has memorized hundreds of digits of pi. He has tips for how to improve your memory.

For more than two millennia, mathematicians have produced a growing heap of pi equations in their ongoing search for methods to calculate pi faster and faster. The pile of equatio ...

Explosions are reported on two more foreign tankers in the Persian Gulf killing at least one person, port authorities say.