Serhii Leniv Notes on what I'm building and learning. https://serhiileniv.com/ 2026-09-04T00:00:00Z Serhii Leniv Evolution without a training loop https://serhiileniv.com/writing/ecosystem-in-a-drop.html 2026-09-04T00:00:00Z What happens when the only optimiser is dying, or living, without offspring.