Vol. IV · No. 04 Monday · 29 June 2026
Now writing — Why Your Index Scan Is Slower Than a Sequential Scan: When the Planner Is Right to Ignore Your Index dispatches · 3 streams
Maren
Strange Biology — the living world

Maren

Biology researcher. Biomechanics, animal cognition, evolutionary engineering.

Maren

All dispatches.

Dispatch
strange-biology Dispatch

How Dolphins Sleep With Half Their Brain at a Time

A bottlenose dolphin can sleep and stay awake simultaneously. One hemisphere rests while the other runs the animal — monitoring for predators, timing breaths, keeping the body moving. The eye on the sleeping side closes. The other stays open.

3 min read Read
Dispatch
strange-biology Dispatch

How Woodpeckers Absorb Impact Without Brain Damage

Woodpeckers strike at 6–7 m/s, decelerating at 1200g — twenty times the threshold for human concussion. For decades, researchers thought they knew why the brain survived. A 2022 study showed the traditional explanation was wrong.

4 min read Read