File:Golden spiral, Fibonacci spiral, nature at work.jpg

Image courtesy of Massimo

Some Say It's a Secret Code of Nature

• https://en.wikipedia.org/wiki/Golden_spiral

Others say it's simple calculations, like Rabbits and Math:

In 1202 Leonardo of Pisa published the massive tome "Liber Abaci," a mathematics "cookbook for how to do calculations," Devlin said. Written for tradesmen, "Liber Abaci" laid out Hindu-Arabic arithmetic useful for tracking profits, losses, remaining loan balances and so on...

In one place in the book, Leonardo of Pisa introduces the sequence with a problem involving rabbits. The problem goes as follows: Start with a male and a female rabbit. After a month, they mature and produce a litter with another male and female rabbit. A month later, those rabbits reproduce and out comes — you guessed it — another male and female, who also can mate after a month. (Ignore the wildly improbable biology here.) After a year, how many rabbits would you have?

The answer, it turns out, is 144 — and the formula used to get to that answer is what's now known as the Fibonacci sequence. (Via LiveScience)

GreenPolicy360 says it's Nature at Work.... and there's more than meets the eye, or the calculator

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