There is a tool so ordinary that almost nobody has considered how it works, and the answer turns out to be more particular than expected.
The obvious model is a…
Maya Linton
Source: Wikipedia
There is a small piece of rural engineering that walkers cross constantly and rarely examine.
The problem it solves is truly awkward. A boundary must be continuous to hold…
There is a habit of describing sea organisms using land vocabulary, and it causes a persistent misunderstanding about seaweed.
The words used — root, stem, leaf — describe a land…
There is a common assumption that sealing a letter was about privacy, and it misses what the object was for.
A seal provides no privacy whatsoever. Anybody determined to read…
There is a description of this process that everybody learns and that understates it substantially.
The description is that a tadpole grows legs, loses its tail and becomes a frog…
Every terraced landscape is an enormous piece of engineering built by hand over generations, and every element of it answers a specific problem with a slope. Here are seventeen.
1.…