I Rebuilt My Courses on the Science of Learning (2026)
I had already built the courses. Interactive, with a live code editor, quizzes, diagrams, bilingual. I was rather proud of them. Then I read an MIT EE…
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The Engineering of Resilience: How "Desirable Difficulties" and Neurobiological Adaptation Build High-Velocity Founders
The research behind "desirable difficulties," stress inoculation, and why chronic adversity is not the founder advantage many people think it is. Ther…
Do You Really Replace Every Cell Every 7 Years? The Biology and the Ship of Theseus
TL;DR : No, you do not replace every cell every seven years. Your body turns over roughly 330 billion cells a day, about 1 percent of its ~30 trillion…
The Man Who Studied the Hippocampus Is Telling You What's Missing
The Man Who Studied the Hippocampus Is Telling You What's Missing In a recent conversation with Y Combinator's Garry Tan, Google DeepMind CEO Demis Ha…
Building a Brain in Pure Python
This post originally appeared on Medium . Cross-posting it here for the dev.to community. Six months ago I gave myself a challenge: build the entire p…
I ran an fMRI on LLMs: a concept is a direction, not a region
TL;DR I've been running an "fMRI for LLMs" — capturing the full internal activations of dense open models (Qwen2.5-7B, Gemma-2-9B, Gemma-4-12B) and ap…
The Neuroscientist Who Proved That Pure Reason Can't Make Decisions — and What That Means for AI
In the early 1990s, António Damasio had a patient named Elliot. Elliot was intelligent. His IQ was intact. His memory was fine. He could analyze situa…