17 Jul 2026
The End of VO₂ Max?
Why the Future of Fitness May Be About How Quickly You Adapt, Not How High You Can Go.
The Library
Field notes on biological advantage.
Editorial thinking on performance, longevity, recovery, and the systems that make sustained output possible.
01 Jul 2026
Why Muscle Might Be the Most Important Organ of Longevity
Muscle is increasingly viewed as a cornerstone of healthy ageing. It supports metabolic health, resilience and recovery, while helping preserve physical function and independence as we age.
22 Jun 2026
Why Heat Dose Matters More Than Time in the Sauna
Bryan Johnson found sauna benefits depend less on time and more on heat dose. HSP27 only activated when his core temperature stayed above 39°C for around 15 minutes. The body responds to intensity, not just duration.
16 Jun 2026
Why Recovery Capacity Becomes the Limiting Factor After 35
The ultimate luxury isn't unlimited energy. It's maintaining the capacity to recover, adapt and perform at a high level for far longer than previous generations.