One of the hallmarks of aging is a process called senescence. Cells stop dividing and release a distinctive blend of chemicals that cause inflammation and other effects. It’s thus a big surprise that scientists have now found senescent cells in embryos. For my new column for the New York Times, I take a look at this remarkable similarity between old and new–and how it changes our understanding of how we developed from an egg. Check it out.
Last Chance - Save up to $20!
PLUS, for a limited time, get bonus gifts and issues with all Nat Geo subscriptions.
