Ahmed Mohamed is a ninth-grader in Irving, Texas who likes to tinker with electronics. On Monday, according to the Dallas Morning News, he built a simple electronic clock -- a project he said took about 20 minutes -- and strapped it inside a pencil case.
The oil-rich West African nation of Angola has a dubious distinction. Its child morality rate is the world's worst: 157 kids out of every 1,000 die before their 5th birthday. By comparison the child mortality rate in the U.S. is 7 deaths per 1,000. In Western Europe it's between 3 and 4.
Federal scientists have determined that extremely low levels of crude oil spilled by the Exxon Valdez caused heart problems in embryonic fish, a conclusion that could shape how damage is assessed in other major spills.
"Metabolically, they're different," said John Incardona, a research toxicologist at the Northwest Fisheries Science Center in Seattle. "They can't grow as well. They can't swim as fast."
Michael Brown: I'm often asked, as the person who was running FEMA when Hurricane Katrina hit, why I didn't evacuate New Orleans. My response is simple -- FEMA had no authority to do that under the Constitution, which clearly establishes a system of federalism in which state and local governments are autonomous governmental entities. We call first responders "first" for a reason. When you dial 911 your call isn't answered by an operator at 500 C Street SW, Washington, D.C., 20472. Your call is answered by a local government entity that has first and primary responsibility for a disaster." read more