Moonlighting

Lee Talbot, an environmental science professor at Virginia's George Mason University, has been racing – in a formula car, oval-track sports racer, or vintage roadster – since 1948. At age 73, he shows no signs of slowing down. "I've been winning well over half the events I've entered, and this is against people who are on average 50 years younger than I am!"His wife and two sons travel to North America, Europe, Africa, and Asia to watch him compete in what he describes as an enforced

Courtesy of Monica MarcuMonica Marcu's life outside the lab is just that: outside. As a nature photographer, she spends her free time, "all the weekends, all the holidays," exploring the parks and nature preserves in and around the Washington, DC area.After years of taking her camera along on hikes, her husband suggested: Why not be a photographer? Inspired, Marcu set about reading books and taking classes; she studied with professionals and practiced on her own. In time, her technique and her c