Computer model explaines alluring plant shapes

Flowers are innately beautiful to the human eye, but how does a sunflower achieve its stunning disc of intersecting spirals or a daisy its delicate symmetry?

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<p><a href="http://www.physorg.com/news10161.html">Computer model explaines alluring plant shapes</a></p> <p>Flowers are innately beautiful to the human eye, but how does a sunflower achieve its stunning disc of intersecting spirals or a daisy its delicate symmetry?</p>