23 Aug '12, 12pm

Nature Blows My Mind! The Hypnotic Patterns of Sunflowers

Nature Blows My Mind! The Hypnotic Patterns of Sunflowers

Sunflowers are beautiful, and iconic for the way their giant yellow heads stand off against a bold blue sky. And of course most of us love to munch on the seeds they produce. However, have you ever stopped to look at the pattern of seeds held within the center of these special flowers? Sunflowers are more than just beautiful food -- they're also a mathematical marvel. The pattern of seeds within a sunflower follows the Fibonacci sequence, or 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144... If you remember back to math class, each number in the sequence is the sum of the previous two numbers. In sunflowers, the spirals you see in the center are generated from this sequence -- there are two series of curves winding in opposite directions, starting at the center and stretching out to the petals, with each seed sitting at a certain angle from the neighboring seeds to create the spira...

Full article: http://www.treehugger.com/slideshows/natural-sciences/nat...

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