It might seem baffling that someone as young as Coleen Murphy could be so preoccupied with aging. But, as the 37-year-old researcher explains, "Aging is a cool problem from the philosophical viewpoint all the way down to the scientific nitty-gritty." Her fascination centers on Caenorhabditis elegans, which may hold answers to the aging puzzle. "You can take a single gene and change it, and now it lives twice as long," she says. "I want to figure out how it can do that."












