# Spirals, Fibonacci and being a plant

5 videos

You're feeling spirally today, and math class today is taking place in greenhouse #3...

### Doodling in math: Spirals, Fibonacci, and being a plant [1 of 3]

VIDEO
5:55 minutes

Part 2: http://youtu.be/lOIP_Z_-0Hs Part 3: http://youtu.be/14-NdQwKz9w Re: Pineapple under the Sea: http://youtu.be/gBxeju8dMho

### Doodling in math: Spirals, Fibonacci, and being a plant [2 of 3]

VIDEO
6:14 minutes

Part 1: http://youtu.be/ahXIMUkSXX0Part 3: http://youtu.be/14-NdQwKz9wMore on Angle-a-trons: http://www.youtube.com/watch?v=o6W6P8JZW0oNote: Beautiful spirally non-Fibonacci pinecones are very rare! If you find one, keep it.

### Doodling in math: Spirals, Fibonacci, and being a plant [3 of 3]

VIDEO
6:07 minutes

Part 1: http://youtu.be/ahXIMUkSXX0 Part 2: http://youtu.be/lOIP_Z_-0Hs How to find the Lucas Angle: http://youtu.be/RRNQAaTVa_A References: Only good article I could find on the subject: ...

### Open letter to Nickelodeon, re: SpongeBob's pineapple under the sea

VIDEO
1:58 minutes

SpongeBob background designer's response: "OK, I guess the jig is up... I'm tired of living a lie." See his full message and pineapple redesign: http://kennypittenger.blogspot.com/2012/01/called-out.html P.S. http://youtu.be/sFTwc8kHSu4 ...

### Angle-a-trons

VIDEO
2:04 minutes

This is a follow-up from Being a Plant part 2 ( http://youtu.be/lOIP_Z_-0Hs )