No brain, no neurons, yet planarian flatworms encode molecular memories in RNA that survive being cut in half and regrown, rewriting where memory can actually live.

Here's something most people never think about: your fat cells have an age.Not in the way you track your birthday, but biologically — there's a version of your

REV-ERBα is a circadian protein that works overnight to clear the molecular debris linked to Alzheimer's — and it runs on NAD+. When NAD+ drops with age, the overnight cleanup crew stops showing up. This is what that costs you.

a16z analyzed 2026 AI investment patterns across OpenAI, Anthropic, Google, and Meta. Five signals reveal who is actually pulling ahead in the infrastructure race — and the leader is not who most people are betting on.

Poor sleep does not just make you tired — it rewrites your epigenetic clock. Large-scale research links insomnia, chronic snoring, and daytime sleepiness to measurable acceleration of biological aging at the gene expression level.