Perfect numbers have foxed mathematicians for over 2000 years. Here's a quick look at the long struggle to find them.

The answer comes from the physics of waves.

A deceptive brain teaser about profit sharing.

You've heard of the golden ratio but have you heard of the silver ratio? And all its other cousins called the metallic numbers? Read this article to meet the family!

From Fibonacci to spirals: explore the mathematical wonders of metallic numbers.