Larger leaves favor photosynthetic production of a sugar-rich fluid to nourish the tree, but if the tree is too tall, the nutrient flow is slowed. Why are the leaves on the tallest trees all about the ...

Tree removal is sometimes necessary to clear a property for building or to improve sightlines or to add natural light. Hazard trees may need to be removed to protect safety and property. While you can ...

One of the most useless-but-cool things about physics is the post-hoc information it offers for the field of biology. I suspect that these physics-focused explanations really piss biologists off, and ...

Q: I watched your pruning videos on YouTube and learned a lot. Is it possible to reduce the size of a standard-sized apple tree to a dwarf size this way? A: Probably not. Standard-sized apple trees ...

Evolution, Vol. 72, No. 5 (MAY 2018), pp. 1050-1062 (13 pages) Variation in rates of molecular evolution (heterotachy) is a common phenomenon among plants. Although multiple theoretical models have ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world.

Green tree pythons and Emerald tree boas, although similar in appearance, belong to different species and regions. Emerald tree boas are larger and more aggressive, residing in South American ...