The Greenes say they take it a day at a time and relish the many long-term memories they've shared for nearly 60 years. David Gilkey/NPR hide caption
Mary, New York, 2012 Courtesy of Ari Seth Cohen hide caption
Richard Piña, 69, with customer Augustin Bustos at Rich's Den barbershop in Calumet City, Ill. Piña, who retired from the Chicago police force 12 years ago, works at his shop four or five hours a day. Beth Rooney for NPR hide caption
Wisconsin state Sen. Fred Risser at the state Capitol. Narayan Mahon for NPR hide caption
Maggie Smith plays aging opera diva Jean in the film Quartet. Increasingly, movies are turning their attention to older subjects in order to draw in older audiences. The Weinstein Company hide caption
The recession put a dent in Sims-Wood's savings, and she expects she'll have to stay in the workforce "forever." Gabriella Demczuk/NPR hide caption
John David, 73, teaches an exercise class called PACE to seniors at the 92nd Street Y in New York City. The former TV producer says he has finally found his true calling. Shiho Fukada for NPR hide caption
The nation's largest provider of nonmedical home care for seniors is now offering training to help family caregivers deal with the challenges of caring for an Alzheimer's patient. iStockphoto.com hide caption