Why autumn leaves are colourful


I didn’t know … This is so interesting!! Sharing ….

Dear Kitty. Some blog

This video is called Why Leaves Change Color: Untamed Science.

From eNature Blog in the USA:

What Makes Autumn’s Leaves So Colorful?

Posted on Monday, October 06, 2014 by eNature

Sometime between now and the middle of November, the trees in North America’s eastern broadleaf forests will reach their full fall glory.

From Vermont’s Northeast Kingdom and New Hampshire’s White Mountains to the Shenandoah Valley and beyond, leaf peepers will bring traffic to a standstill on beautiful fall weekends. By the carful and busload, they’ll come to gawk at the beautiful countryside.

But what will they be seeing? How do leaves end up in such spectacular colors?

Hidden Colors

Leaf color arises from various chemicals within trees. It’s the strength as well as the presence or absence of compounds like tannins, xanthophylls, and carotenes that determines fall hues in the scores of tree species found in the East.

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About Dr. Rex

I'm originally from Puerto Rico. I was born in Santurce and raised in Rio Piedras. Have lived in Florida since 1999. I have a doctorate degree in Medicine; completed in 1976. My Internal Medicine specialty was completed in 1979. Worked for Puerto Rico's health system until 1985. At this time, I'm happily retired after working for the federal government for almost 28yrs. I want to offer any knowledge that I have to anyone "out there" who is interested. My views are liberal in almost every sense. My knowledge is "eclectic" - a bit of everything. Music and reading are my passion. Blogging has also become a very interesting endeavor. Metaphysical topics attract me. I'm interested in news reporting human issues like injustice, discrimination and abuse - the "wrongly" affected. My intention is to bring this knowledge to an understandable level and to help anyone in need. I'm open to questions and will answer them to the best of my ability. Currently working on an enterprise whose main mission will be to bring peoples of all walks of life together. To be one .... since we ALL are ONE!! The future looks bright and promising!!!

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