The rarity of four-leaf clovers is explained by Fibonacci's numerical law, highlighting the difference between three and four leaves.

Lucas discovered many interesting new sequences and patterns. For example, the ratio of any consecutive pair of numbers in the Fibonacci sequence is approximately the golden ratio (about 1.618 ...

The Fibonacci Sequence Is Everywhere—Even the Troubled Stock Market The curious set of numbers shows up in nature and also in human activities.

And the sequence of monthly totals that got us there will have looked like this: The first 12 terms of the Fibonacci sequence (starting at one, not zero).