Stig Östlund

fredag, november 11, 2011

Chemistry of Changing Leaves -- Chemistry Now



Chemistry of Changing Leaves


Why do tree leaves turn gold, orange and scarlet in the fall? This video explains the role of pigment molecules, including chlorophyll, carotenoids and anthocyanin, in the changing leaves of autumn.
Credit: NBC Learn and the National Science Foundation (NSF)

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