Chlorophyll plays a pivotal role in photosynthesis, which is why plants have evolved to have high chlorophyll levels in their leaves. However, making this pigment is expensive because plants invest a ...

Behind every autumn leaf lies a chemical shift-chlorophyll fading, carotenoids glowing, anthocyanins rising-that turns survival into spectacle. Every autumn, landscapes across much of the world ...

While camping on the White River Plateau last weekend I was pleasantly surprised to find that a few of the aspen clones had turned from deep green to bright yellow. It occurred to me that the wonders ...

A maple tree in Kauffman Legacy Park has shed most of its chlorophyll while other trees in the park haven't yet turned color. Harsh drought conditions in Missouri and Kansas have robbed trees of much ...

Every autumn we revel in the beauty of the fall colors. The mixture of red, purple, orange and yellow is the result of chemical processes that take place in the tree as the seasons change from summer ...

TOLEDO, Ohio — Back in October, you may have wondered why the leaves were still green. Now that November is here, the fall foliage has finally changed color. Both weather and climate played a role in ...

This is an article from Curious Kids, a series for children. The Conversation is asking kids to send in questions they’d like an expert to answer. All questions are welcome – serious, weird or wacky!