
This image from the U.S. Department of Agriculture shows a giant African snail with an albino shell. (Courtesy of the USDA)

This image from the U.S. Department of Agriculture shows a giant African snail with an albino shell. (Courtesy of the USDA)

**FILE** A store receipt with a food recall notice on it sits June 27, 2011, near a check-out lane at a Cincinnati Kroger grocery store. Tyson Fresh Meats Inc. recalled Sept. 28, 2011, about 131,300 pounds of ground beef was possibly contaminated with E. coli, the U.S. Department of Agriculture said. (Associated Press)

**FILE** Scott Alford (center), a soil conservationist for the Natural Resources Conservation Service, points out features of a man-made marsh to Harris Sherman (right), undersecretary for natural resources and the environment at the U.S. Department of Agriculture, and Julie Grogan-Brown (left), also with the USDA, near Baytown, Texas. The marsh is part of a project to restore lost wetlands and islands off the Texas coast. (Associated Press)

**FILE** Scott Alford (center), a soil conservationist for the Natural Resources Conservation Service, points out features of a man-made marsh to Harris Sherman (right), undersecretary for natural resources and the environment at the U.S. Department of Agriculture, and Julie Grogan-Brown (left), also with the USDA, near Baytown, Texas. The marsh is part of a project to restore lost wetlands and islands off the Texas coast. (Associated Press)

Republican Sens. John Cornyn of Texas and Charles Grassley of Iowa celebrated their first “Meat Monday” this week with 52 orders from Hill Country Barbecue in the District. The savory indulgence came in response to the U.S. Department of Agriculture encouraging its employees to boycott meat on Mondays. (Courtesy Sen. John Cornyn)

Republican Sens. John Cornyn of Texas and Charles Grassley of Iowa celebrated their first “Meat Monday” this week with 52 orders from Hill Country Barbecue in the District. The savory indulgence came in response to the U.S. Department of Agriculture encouraging its employees to boycott meat on Mondays. (Courtesy Sen. John Cornyn)

**FILE** A store receipt with a food recall notice on it sits June 27, 2011, near a check out lane at a Cincinnati Kroger grocery store. Tyson Fresh Meats Inc. recalled Sept. 28, 2011, about 131,300 pounds of ground beef was possibly contaminated with E. coli, the U.S. Department of Agriculture said. (Associated Press)

**FILE** A store receipt with a food recall notice on it sits June 27, 2011, near a check-out lane at a Cincinnati Kroger grocery store. Tyson Fresh Meats Inc. recalled Sept. 28, 2011, about 131,300 pounds of ground beef was possibly contaminated with E. coli, the U.S. Department of Agriculture said. (Associated Press)