Daily briefing: People older than 100 have more cancer-killing cells

Nature, Published online: 20 August 2026; doi:10.1038/d41586-026-02617-yKiller T cells might help people to live to extraordinarily old ages. Plus, the longest-lived brain organoids so far and how mass genome-screening programmes for n…

Nature, Published online: 20 August 2026; doi:10.1038/d41586-026-02617-y

Killer T cells might help people to live to extraordinarily old ages. Plus, the longest-lived brain organoids so far and how mass genome-screening programmes for newborns might work.