E-mail this story
Fall leaf-color changes pit spirit bear against science
There was a time when the real reasons weren't known for why the autumn leaves of leaf-losing trees and shrubs look so colorful prior to falling. But it was an important question just the same, since autumn's leaf-color changes clearly signaled the end of the growing season. In lieu of a scientific explanation, then, other explanations were concocted — and some were as colorful as autumn-colored leaves themselves.
October 25, 2012