(Phys.org)—Why are the leaves on the tallest trees all about the same size, and why aren't those tall trees even taller? It all has to do with basic scientific principles at work in nature, according ...

Average tree size across the Amazon has increased by 3.2% every decade, consistent with a response to rising carbon dioxide levels, a new study suggests. The research published in Nature Plants by a ...

Larger leaves favor photosynthetic production of a sugar-rich fluid to nourish the tree, but if the tree is too tall, the nutrient flow is slowed. Why are the leaves on the tallest trees all about the ...