What makes a tree a tree? Or rather, why can we recognize trees in even quite abstract depictions when they are so varied in nature? Researchers have found a clue in the branches, and used math to ...

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

Microscopic "fractal trees" grown from silver could be the basis of a new type of solar cell, say chemists at the University of California, Davis. "We expect these structures will allow us to make ...

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A new type of solar cell could be developed based on microscopic “fractal trees” grown from silver. The fractal silver structures are grown by a process of electrochemical reduction, and resemble ...

As trees shed their foliage this fall, they reveal a mysterious, nearly universal growth pattern first observed by Leonardo da Vinci 500 years ago: a simple yet startling relationship that always ...

(CNN) — Trees depicted in famous artworks across a range of styles follow the same mathematical rules as their real-life counterparts, scientists have found. The math concept hidden in this tree art — ...