Vastkind publishes explanatory articles on new research and developments in AI, biotech, longevity, and software security. Each issue unpacks a single recent study or event, stating what was and was not shown.

A newsletter from a former New York Times journalist and health coach covering strength training, nutrition and longevity, with video demonstrations, recipes and commentary on health information. Readers get critical takes on fitness and longevity claims, quick whole-food recipe videos, and occasional audiocasts.

This newsletter summarises newly published health and longevity studies, giving each the design, key numbers, limitations and a short note on why it matters. Issues cover topics such as dementia drugs, cancer survivorship and antimicrobial resistance.

Essays by a building physicist and economist exploring how indoor environments, ecology and long lives shape human health and wellbeing. Readers get a reflective mix of science references (exposome, indoor exposure studies) and philosophical argument about designing conditions for health.