Sweating has a poor reputation, being treated as an embarrassment to be suppressed with products. It is, biologically, one of the more remarkable things about the human body, and among…
A scar is usually read as a failure: the body tried to put the skin back and did not quite manage it. That is not what happened. Scarring is the…
A beetle's back does not look like wings. It looks like a shell, hard and glossy, split down the middle by a straight seam. That seam is the clue. The…
Almost everyone pictures an anchor as a heavy thing dropped on the bottom, holding a boat by sheer mass. If that were how it worked, no ship could carry an…
It stopped being alive and it never stopped moving. Here are fifteen.
1. It Is a Bundle of Tubes, Not a Solid
Wood is built from long hollow cells that…
It looks like a covering and behaves like a factory. Here are seventeen jobs.
1. Replacing Its Own Outer Layer Continuously
Cells are produced at the base of the outer…