BrainStuff Classics: Why Don't Evergreen Trees Lose Their Needles?

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BrainStuff Classics: Why Don't Evergreen Trees Lose Their Needles?
Description
Evergreens' needles are their leaves, so why don't they change color and drop in the fall? Learn how evergreen leaves work in this classic episode of BrainStuff, based on this...
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Author | How Stuff Works |
Organization | iHeart Podcasts |
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