All essays filed in this edition, newest first.
The pink sliver near your nose is the ruin of an eyelid your ancestors once swept sideways.
One nerve in your chest loops backward under an artery for no good reason, and that mistake is the clearest proof of evolution in your body.
A wound too small to bleed properly still hijacks one of the most sensitive instruments the body owns.
Your smallest toe is a half-finished draft, caught between a life in the trees and one spent walking upright.
For centuries the mesentery was drawn as scattered scraps. It was one continuous organ all along.
Your heart is not on the left. The reason it leans there began in a microscopic embryo.
Cut away most of the liver and it rebuilds itself, but the way it does so is stranger than regrowth.
The pop you feel on a descending plane is a 400-million-year-old structure doing the only job it knows.
What pins and needles reveal about the body's most underestimated communication system.
A tear gland, a ring of muscle, and the strange thermal engineering hidden in a reflex you never think about.