This week in epigenetic and aging insights:
1. the oldest land animal, 194 years
https://www.science.org/doi/10.1126/sciadv.adw8887
2. why small dogs live longer than big ones
https://www.science.org/doi/10.1126/science.aeb2986
3. Why commercial epigenetic ("biological") clocks are problematic
https://www.nytimes.com/2026/10/08/science/truage-biological-age-test-genetics-sisters.html?unlocked_article_code=1.HFE.w10i.4XyyebzaE1VU&smid=url-share
4. What epigenetic clocks are actually measuring
https://erictopol.substack.com/p/loss-of-cell-identity-drives-human