Cynthia Kenyon is vice president of aging research at Calico Labs. She is an emeritus professor at the University of California, San Francisco, where her lab’s discovery of genes that affect the aging process in a small roundworm called Caenorhabditis elegans helped spawned a groundswell of research around the molecular determinants of aging. [This interview was edited for length and clarity.] How would you describe the current state of American science? On supporting science journalism If...