What is that Spiral All About?

It's the "Golden Mean" - one of the coolest numbers in nature!

Also known as the number "phi" (pronounced fee),
and the Fibonnaci Sequence

For more info, visit a great website about the Golden Mean, full of examples, equations, and also a resource list for learning more.

Chambered Nautilus - "Breaking Away from the Math Book", Creative Projects for K-8 by Pat Baggett and Andrzej Ehrenfeucht of New Mexico State University's Department of Mathematical Sciences