**Videos:**

Math in Nature – Fibonacci (time: 3:44)

A short history of Fibonacci, Fibonacci numbers and the golden ratio (time: 10:00)

Phi and the Golden Ratio (time: 4:08)

**Videos:**

Math in Nature – Fibonacci (time: 3:44)

A short history of Fibonacci, Fibonacci numbers and the golden ratio (time: 10:00)

Phi and the Golden Ratio (time: 4:08)