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Red, red leaves. (Science And Environment).(Brief Article)
David Lee and Kevin Gould, "Why Leaves Turn Red," in American Scientist, November/December 2002 (americanscientist.org)
Each fall, leaves turn bright red on many trees. Despite years of research, scientists still don't know exactly why. Florida International University professor David Lee and University of Aukland (New Zealand) researcher Kevin Gould, however, believe that a red pigment called anthocyanin bears much of the responsibility.
Anthocyanin protects leaves in two ways: first, as an antioxidant, it neutralizes free radicals that wreak havoc on the life processes within leaves if left unchecked. More important, anthocyanin shields chloroplasts--intracellular structures which change sunlight into food for plants through photosynthesis--from intense heat and sunlight. Lee and Gould performed an experiment that measured the ...
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- News wire article from: Ascribe Higher Education News Service October 7, 2005 700+ words
Byline: Colgate University HAMILTON, N.Y., Oct. 7 (AScribe Newswire) -- Scientists have long agreed that the decomposition of chlorophyll is largely responsible for the vibrant hues of most foliage in the fall. But the anthocyanin molecules that give some leaves their red tint could serve a more
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...Rama with Wally Hennessey. Golden Lass finished third with Kevin Gould. I Envy Noah trotted the final quarter in :29.1 as he...home Kash Heir a nose in front of Perrys Gold Crown, with Kevin Gould, in 2:02.1. Boca Too finished third. Kash Heir, the...
Source: HighBeam Research, Red, red leaves. (Science And Environment).(Brief Article)