Navi Pillay, the United Nations' high commissioner for human rights, looks on during a Human Rights Council special session on the crisis in Libya on Friday in Geneva. Pillay said the world must "step in vigorously" to protect Libyan protesters. Fabrice Coffrini/AFP/Getty Images hide caption

Scientists hope to use a fungus to keep malaria-carrying mosquitoes like the Anopheles gambiae species from growing resistant to insecticides. Courtesy of James Gathany/CDC hide caption

Institute for Marine Mammal Studies veterinary technician Wendy Hatchett takes a skin sample from a dead bottlenose dolphin that was found on Ono Island, Ala., and brought for examination to Gulfport, Miss., on Tuesday. Patrick Semansky/AP hide caption

Brandon Hunnicutt, a Nebraska corn farmer, uses technology — and even Twitter — to run his farm. Art Silverman/NPR hide caption

A production plant on the short of Mellitah, Libya, opened in 2004. Owned by Eni, the Italian oil and gas company, the facility is part of a pipeline that connects Libya to Sicily. Political unrest in the African nation is having effects in the worldwide oil market. Eni Press Office/AP hide caption