Trees in art, as well as life, often follow simple mathematical rules, study finds
Scientists have studied trees depicted in various works of art and found they follow relatively simple mathematical rules also found in branching patterns in nature.
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13 Pollen Allergy Symptoms (and What to Do About Them)
The stuffy nose. Eyes so watery or itchy you can't see straight. And that's just the start. Here's what you should know about ...