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The Golden Ratio in Nature
The Golden Ratio in Nature: Nautilus Shells, Sunflowers, and Pinecones
One of these is a solid, well-documented case of golden-ratio math in a living organism. The other is a popular myth that keeps getting repeated. Here's how to tell them apart.
Why Phyllotaxis Uses the Golden Angle (137.5°), Not a “Nicer” Number
A sunflower head rotates each new seed by roughly 137.5 degrees from the last. That's an oddly specific number for nature to land on — until you see what happens with the tidier alternatives.