Happy Fibona-day!

Today’s date, 5/8/13, is mathematically very interesting… did you notice?

These three numbers are a part of the Fibonacci series! In the Fibonacci series, each number is the sum of the two previous ones: 0, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89 and so on… The ratio between a Fibonacci number and the previous one gets closer and closer to φ, the “golden number”. The properties of φ makes it appear in many contexts in nature…

A young Sitka spruce lateral shoot… also subject of the rule. Count the spirals and watch the videos!

To see how pine cones, terminal buds, flowers and other natural shapes are related to the Fibonacci series, have a look at this set of videos, they are great!




…Happy Fibona-day!

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