March 1, 2002 A Romantic Swim From The March-April 2002 Issue Published in the March-April 2002 print issue in the Alumni section. Most popular Harvard scientists identify hundreds of genes under selective pressure. In her memoir All That's Unseen, Emilee Hackney explores religion, friendship, and home. There’s a growing movement to curb light pollution. It starts on your front porch. Explore More From Current Issue Alumni Profiles Nobel Prize recipient Joseph E. Murray dedicated much of his career to organ transplant surgery. Visual Arts Photographer and writer Morgan Smith chronicles life beyond the violence in Ciudad Juárez and other Mexican towns. Arts & Culture Author and Harvard Divinity School writer-in-residence Terry Tempest Williams finds beauty in the world around us.