Author Richard Heinberg once taught a course on sacred geometry, and he's written nearly a dozen books related to society's balance with the natural world so when he and his wife built a tiny cottage in their backyard they embedded the Fibonacci seri...es in the windows as a nod to the importance of the golden mean on nature's patterns. (03:25)[more]

God's Fingerprint→ The Fibonacci Sequence - Golden Ratio and The Fractal Nature of Reality "Fibonacci numbers are of interest to biologists and physicists because they are frequently observed in various natural objects and phenomena. The branching pa...tterns in trees and leaves, for example, and the distribution of seeds in a raspberry are based on Fibonacci numbers. (13:54)[more]

Math is logical, functional and just ... awesome. Mathemagician Arthur Benjamin explores hidden properties of that weird and wonderful set of numbers, the Fibonacci series. (And reminds you that mathematics can be inspiring, too!) (06:24)

Please make your comments on categories positive, and not just negative.

People work hard on educational categories, and we want to encourage them to make more!

Profanity (curse words), sexually suggestive remarks, and other such obviously inappropriate comments
will be deleted immediately, and are grounds for immediate expulsion. Remember, children use this website.

Personal criticism on project forums and in video content is not allowed and will be deleted immediately.
Any violations of this rule could result in expulsion from the project so please, no insults or other negative
personal remarks.

Very harshly-worded criticism of content will also be deleted promptly. Please use your vote to express your
harshest feelings. Repeated violations of this rule can result in expulsion. If you must criticize another
person's hard work, then be nice about it.

People work hard on educational categories, and we want to encourage them to make more!