As autumn approaches, the days shorten and the nights lengthen. Chlorophyll, the green pigment that gives leaves their color, is less and less needed as the amount of sunlight decreases. As a result, chlorophyll production slows down and eventually stops. With chlorophyll out of the way, other pigments in the leaf are revealed. Carotenoids, which are responsible for the … [Read more...] about Autumn Leaves: A Symphony of Colors
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Every autumn, a massive smiley face of trees appears in Oregon — here’s how it got there.
A giant smiley face made out of trees can be seen by drivers in Polk County, Oregon The hills have a smile! Fall brings cooler temperatures and the promise of changing leaves across the United States, but in Polk County, Oregon, it also heralds the arrival of a massive smiley face made of trees. According to Oregon Live, the happy symbol can be seen by drivers … [Read more...] about Every autumn, a massive smiley face of trees appears in Oregon — here’s how it got there.