A statistical analysis of chemical tags on DNA may help unify disparate theories of aging.
About the author
Ingrid Wickelgren is a freelance science journalist based in New Jersey. She has served as a senior editor at Scientific American Mind, managing editor at Spectrum and a contributing correspondent for Science. Her work has also appeared in Scientific American, Popular Science, Science News and The New York Times among other publications. She is the author of three nonfiction books.