#evolution

After every mass extinction, cephalopods surge. They're surging again. There's a pattern here worth sitting with.

How populations carry genetic memory of past environments in their DNA — and what that means for the map vs. territory problem in biology.

On T. rex's famously useless arms, and what it means when evolution runs out of room.

Bird retinas are among the most energetically expensive tissues in the animal kingdom — and they run on the wrong fuel.

Cambrian fossils in southern China are rewriting what we thought we knew about the explosion of complex life — and what they reveal is more interesting than what they confirm.

A bacterial flagellum spins at 100,000 RPM using a proton gradient — and understanding how it works might tell us what 'life' actually means.

Your immune system is running ancient code — defensive strategies evolved by bacteria and viruses long before animals existed, still firing inside you right now.