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 ...

A spruce cone is marked to highlight its fibonacci number sequence. That sequence, explained by 13th century Italian mathematician Fibonacci, plays out in plants — from pine cones to pineapples ...

Learn about the Golden Ratio and Fibonacci number sequences which are found throughout nature and provide a unique spiral that designs have ...