Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trees depicted in ...

Leonardo da Vinci’s sketch of a tree illustrates the principle that combined thickness is preserved at different stages of ramification. The math that describes the branching pattern of trees in ...

Add Yahoo as a preferred source to see more of our stories on Google. A tree with vertical branches - SandaloFilms/Shutterstock Keeping up with your lawn and garden ...

Across cities and suburbs, a curious pattern keeps turning up in aerial photos and field surveys alike: trees that stand closest to cell towers are often the ones that look the sickest. Their crowns ...