Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trees depicted in ...
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 ...
The term “conifer,” which describes most of the evergreen trees that are so familiar in the Iowa landscape, includes several species that can be distinguished by a variety of their characteristics, ...
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