If you only vaguely remember your elementary school mathematics class, you may not remember what a prime number is. That's a pity, because if you're …

# What Are Prime Numbers, and Why Do They Matter?

You may vaguely remember from math class what a prime number is. But why are they important? Plus, what's the difference between rational and irrational numbers? And why is 137 the most magical number?

# Other Numbers to Learn About

What's the connection between basketball superstar Michael Jordan, Beat Generation novelist William Burroughs, comedian Harpo Marx and mathematician …

When you hear the words "rational" and "irrational," it might bring to mind the difference between, say, the cool, relentlessly analytical Mr. Spock …

Fibonacci numbers create a mathematical pattern found throughout nature. Learn where to find Fibonacci numbers, including your own mirror.

What's the key to unlocking the mysteries of the universe? If you're expecting an incantation in some ancient language, uttered by a holy man sitting …

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