Molecular Biology

Epigenetic Reprogramming: What if you could restore your age from a backup?

When your computer crawled, you restored it from a backup and it came back like new. Life has run that trick for a billion years: your child is built from cells as old as you are, and is born at zero. So aging gets reframed as a software error, and three billion dollars ride on the metaphor. The experiments underneath are real and startling, but narrower than the headlines: the one lifespan result comes from mice bred to age abnormally fast, and the same button that rejuvenates a cell can turn it into a tumour. A five-minute read, no biology needed.