A weekly notice from the margins of math and science

Marginalia

the good stuff, allegedly

Math Physics Chemistry Biology Medicine

Published every Tuesday

Latest issue

Issue №4 · 22 September 2026

A graph sandwich finally proved, Webb's little red dots split astronomers, and the brain's two separate origins

One item each from math, physics, chemistry, biology, and medicine, plus a bioethicist and the AMA's CEO arguing over AI doctors.

Math Physics Chemistry Biology Medicine Discussion

Archive

№3 Ten thousand AI agents race to a Millennium Prize, one odd knock from underground, and why bats don't bother repairing 15 Sep 2026 №2 A conjecture about balance moves, the Hall effect's blind spot, and an old enzyme reading new letters 8 Sep 2026 №1 The flood point, a self-bound quantum droplet, and the riskiest mutation in biology 7 Sep 2026

— new every Tuesday