A treeline is not one phenomenon. It is wherever a particular limiting factor becomes severe enough, and the factor differs entirely between a mountain, a bog, a coast and a…
Maya Linton
There is an old puzzle about a ship whose planks are replaced one at a time until none of the original timber remains, and the question of whether it is…
There is a misunderstanding built into how these plants are usually described, and correcting it makes everything else about them clearer.
They are not predators in the sense of animals…
There is a category of historical evidence that is systematically misleading in a way nobody notices, and early photographs are the clearest case.
A photograph feels like direct evidence. It…
There is a reported experience so widespread that it barely gets questioned, and the questioning is where it becomes interesting.
The experience is that time accelerates. A childhood summer was…
The question worth asking at any waterfall is what makes the drop possible, because a river will otherwise smooth its own bed given enough time. Something is preventing that, and…