Lemurs seem to hug trees to keep cool on sweltering days. Chloe Chen‑Kraus, affiliated with Yale University, and her colleagues noticed that in the Bezà Mahafaly Special Reserve in south-west ...

Heat is stressful for humans and trees alike. The summer sun scorches moisture from soil, burns leaves and dries out roots. Older trees may be better adapted to the heat, but younger ones can also ...

With trees, as with elephants and in swimming, trunks are important. They’re part of trees’ beauty, strength, majesty, and mystique. We have things to discuss. Like people, trunks come in all shapes ...

Q: My dad helped me plant a couple of young apple trees in my backyard last weekend and so far, so good. After we finished I said the only thing I had left to do was paint the trunks white. He looked ...

Q. I just planted a fruit tree and was told by a friend that I should paint the trunk with white paint. I really don’t like the idea of a tree painted with white paint in my front yard. Is it really ...

What shape is a tree? For most people, it’s like a lollipop or a feather duster: a single trunk topped by a green bunch of branches and leaves. “Not all trees are like that,” said Sharon Yiesla, plant ...