The Golden Ratio has helped us to explain natural phenomenon. The original problem that brought the Fibonacci numbers to life, the rabbit breeding problem has proved useful in other population models such as a drone bee. The golden spiral is seen in galaxies, shells, growth patterns and more. The way plants grow for maximum energy and space efficiency reflects the Fibonacci numbers and thus the Golden Ratio. It is rumored that our human forms and faces are proportioned in the Golden Ratio. See Gurney Journey and Golden Number.
The golden ratio has even been found in science at the molecular level. In a journal of molecular physics, Raji Heyrovska (2005) found that "...the ratio of the radius of hydrogen, estimated recently (C.H. Suresh, N. Koga, J. Phys. Chem. A, 105, 5940 (2001)) by density functional methods, to the ground state Bohr radius is the Golden ratio..." This finding points to the fact that the distance between atoms in some structures is governed by the golden ratio.