"So what the heck is a pawpaw?"

"Florida horticulturists worry palm trees throughout the Sunshine State and Southeast could vanish as a new bacterial condition ravages the state’s most iconic scenery."

"The glassy stares of the dead, the garbage piling up in the streets, the frightened, angry mobs smashing their way into drugstores and attacking food lines. The images in the thriller Contagion may be delivered with Hollywood flair, but they also have a ring of truth to those on the medical front lines.

Joan Guilfoyle, the new head of Interior's wild horse and burro program, faces a dilemma. The 38,000 animals roaming 34 million western acres are breeding rapidly. If she moves to fast to cull them, she faces the wrath of conservationists; if she moves too slowly, she faces the wrath of ranchers.

"A chemical found in the dogfish shark could be a safe and potent weapon against human viruses, say scientists."

"Federal agencies have changed the designation of loggerhead sea turtles from a single threatened species to nine distinct population segments; five are listed as endangered and four are listed as threatened.

The National Oceanic and Atmospheric Administration and U.S. Fish and Wildlife Service said the change will help scientists tailor conservation efforts to deal with threats faced by genetically distinct groups of the species in regions around the world.

"In a move hailed by conservation activists, President Barack Obama initiated potential diplomatic sanctions against Iceland this week for its commercial whaling activity. The sanctions include six measures ranging from possibly limiting cabinet-level visits to Iceland to limiting cooperation with Iceland in the Arctic region."