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 — ...

We’ve been using paint dots for 25 years or so now, so some trees have several paint dots on them.” Pruning and treatment dots also give a heads-up to property owners near the trees.

Grafting is somewhat of an art, and because it is a laborious ... “We harvest the scion wood while the trees are dormant so that they’ll have time to heal,” Polozola explained.

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