Iron, Gut, and Hormones: The Chain Reaction Nobody Warned You About
# Iron, Gut, and Hormones: The Chain Reaction Nobody Warned You About > **Quick take**: You think loading up on iron is doing your body a favor. But excess fre
Grimoire
Long-form analysis at the intersection of AI and life sciences — all spells, sorted by time.
All articles
Senescent Cells Are Not Garbage — They Are the Body's Dark Commanders
# Senescent Cells Are Not Garbage — They Are the Body's Dark Commanders 
Your Cell's Battery Just Got Replaced: The 2026 Mitochondrial Transplantation Breakthrough
# Your Cell's Battery Just Got Replaced: Scientists Actually Did It > **TL;DR**: When your phone battery dies, you swap it out. In 2026, scientists did the sam
Rewinding the Biological Clock: Telomerase Reactivation and the New Science of Epigenetic Age
# Rewinding the Biological Clock: Telomerase Reactivation and the New Science of Epigenetic Age 
Zombie Cells in Your Brain — How Senescent Glia Are Erasing Your Memory
# Zombie Cells in Your Brain — How Senescent Glia Are Erasing Your Memory 
Karpathy's Agent Manifesto: You're Not Writing Code Anymore — You're Conducting an Orchestra
Andrej Karpathy stopped writing code by hand in 2024. Not from burnout — from evolution. His framework for AI-orchestrated development is the clearest preview we have of what software engineering becomes next.