1) The Golden Ratio is a number approximately equal to 1.618 that is exhibited in patterns in nature and is considered aesthetically pleasing to the human eye. 2) The Golden Ratio can be derived from the Fibonacci sequence of numbers where each number is the sum of the two preceding numbers. The ratios of successive numbers in the Fibonacci sequence converge on the Golden Ratio as the numbers grow larger. 3) Many things in nature exhibit the Golden Ratio, including spirals in pinecones and sunflowers, branching patterns in trees and plants, proportions of the human body, and dimensions of DNA molecules. Famous works of art and architecture also incorporate the Golden Ratio, including paintings by Leonardo Da Vinci