What's at stake if we can't regrow our forests
Oct 15, 2026 - 13:35
Radio and PodcastLive Radio & Podcasts
Science & Medicine
A fall mystery: why do only certain leaves turn red?
Leaves turn yellow in the fall because Chlorophyll breaks down, revealing the yellow pigment that was there all along. But why red? Red is a different story altogether. Leaves have to make a new pigment to turn red. Why...
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