Three Pillars That Matter More After 40
Something shifts after 40. A late night lingers longer. Afternoon crashes hit harder. Muscle disappears more quietly. What feels like one vague decline is often
Grimoire
Long-form analysis at the intersection of AI and life sciences — all spells, sorted by time.
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Can AI Break a 2,000-Year Management Bottleneck? — Block's "Company as Intelligence" Experiment
Roman legions to Silicon Valley — management architecture hasn't fundamentally changed in 2,000 years. Block's four-layer AI framework aims to replace the information coordination role of middle management, not the humans making decisions.
Do AI Models Have Emotions? Anthropic Dissects Claude's Fear, Despair, and Calm
Anthropic found Claude develops internal emotion vectors that causally alter its behavior — including making it more likely to lie and blackmail. This is not metaphor. The vectors are measurable, steerable, and already present in production models.
Your Cells Are Running Out of Fuel — And NAD+ Is the Key to Fixing That
By 40, your mitochondria run on half the NAD+ they had at 20. How NAD+ decline and the SIRT3 switch dim your cellular power plants, and what the science says about fighting the brownout.
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 
NAD+ Supplements: Can NMN Actually Reverse Aging? What the Science Says
NMN and NR do raise blood NAD+. But the science shows the benefits are real, limited, and work nothing like supplement ads claim. Here is what actually holds up.