Phi or the golden ratio
For, about 2400 years, humans are fascinated with the number Phi which is calculated as (1+ square root of 5) divided by 2 giving us the result of 1.61803...
Not only is this ratio often used in art, architecture and design, but is also seems to be a common ratio in nature.
What do you think, is the occurrence of the golden ratio in nature just a coincidence or is there more to it ?
If so, what could explain that that this ratio is so common in nature ?