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 ...

When you count the number of petals that different flowers have, you’ll discover that the most common number of petals is five. Buttercups, geraniums, pansies, primroses, rhododendrons, tomato ...

Trying variants of a simple mathematical rule that yields interesting results can lead to additional discoveries and curiosities. The numbers 1, 1, 2, 3, 5, 8, 13, 21, 34, and 55 belong to a famous ...

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Here's a hypothetical and idealized question about rabbits, first posed by Leonardo di Pisa in 1202 (Leonardo is more commonly known as Fibonacci). There's a pair of rabbits in an enormous field. At ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Spiraling stained glass windowed ceiling of the Thanks Giving Chapel in Dallas recreates the Fibonacci sequence Credit: James Kirkikis / shutterstock It's a big day for number nerds. The date Nov. 23 ...