Drama ensues when doctors work to save patients bleeding from traumatic injuries. Ian Roberts hide caption

itoggle caption Ian Roberts

Who's there? A radiologist studies digital X-rays in a viewing room at what is now called the Walter Reed National Military Medical Center in Bethesda, Md. Seth Rossman/U.S. Navy hide caption

itoggle caption Seth Rossman/U.S. Navy

New research suggests that doctors who communicate online with their patients may not see a drop in office visits. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Workers in the Georgia secretary of state's office have fallen behind on licensing applications for nurses. Jim Burress/WABE hide caption

itoggle caption Jim Burress/WABE

Barbara Fleming is evacuated from Bellevue Hospital by Victor Rivera in the aftermath of Superstorm Sandy in New York on Oct. 31. Carlo Allegri/Reuters/Landov hide caption

itoggle caption Carlo Allegri/Reuters/Landov

A medical assistant checks a patient's blood pressure at a community health center in Aurora, Colo. Metro Community Provider Network has received some 6,000 more Medicaid eligible patients since the health overhaul law was passed in 2010. John Moore/Getty Images hide caption

itoggle caption John Moore/Getty Images

Republican presidential candidate Mitt Romney makes his case about Medicare during a briefing in South Carolina in August. Evan Vucci/AP hide caption

itoggle caption Evan Vucci/AP

From left: Frank Wild, Ernest Shackleton, Dr. Eric Marshall and Jameson Adams head back to base camp after getting within 97 miles of the South Pole — closer than anyone had gotten before them — in January 1909. /Getty Images hide caption

itoggle caption /Getty Images

Fire department personnel, police officers and paramedics at the scene of a fatal collision on Highway 401 in Mississauga, Ontario, in July 2011. Stacey Newman/iStockphoto.com hide caption

itoggle caption Stacey Newman/iStockphoto.com

Dr. Vanessa Kerry talks with her father, Sen. John Kerry, before he delivers a speech on health care in Boston. Chitose Suzuki/AP hide caption

itoggle caption Chitose Suzuki/AP