This undated photo shows a spruce cone with a marked fibonacci number sequence. A numbers sequence thought up by the 13th century Italian mathematician known as Fibonacci plays out in plants, from ...

The chambers in this nautilus shell graduate at a rate of 1.618, a number defined as a divine proportion since ancient times. Because pleasing proportions don't just happen, borrowing a few pointers ...

The Fibonacci Series, a set of numbers that increases rapidly, began as a medieval math joke about how fast rabbits breed. But it’s became a source of insight into art, architecture, nature, and ...