The Serial Number Lottery Hidden in Your Wallet Here's the thing: you probably toss dollar bills around without a second ...
You've probably never given a second thought to the dollar bills sitting in your wallet right now. Most people don't. They're ...
What do pine cones and paintings have in common? A 13th-century Italian mathematician named Leonardo of Pisa. Better known by his pen name, Fibonacci, he came up with a number sequence that keeps ...