When President Obama announced his BRAIN Initiative in April, he promised to give scientists "the tools they need to get a dynamic picture of the brain in action."
An early version of one of those tools already exists, scientists say. It's a relatively new set of techniques called optogenetics that allows researchers to control the activity of brain cells using light.
The nation's capital is not exactly a beach town. But the cherry-tree-lined Tidal Basin, fed by the Potomac River, laps at the steps of the Jefferson Memorial. And, especially since Superstorm Sandy, officials in Washington have a clear idea of what would happen in a worst-case storm scenario.
"The water would go across the World War II memorial, come up 17th Street," says Tony Vidal of the U.S. Army Corps of Engineers. "And there are actually three spots where the water would come up where we don't have ... a closure structure right now."
As the U.S. economy continues to recover, it has been getting some help from an unexpected place. After decades of massive job losses, manufacturing firms have been steadily creating jobs — many of them well-paying. One particularly bright spot is a new generation of high-tech manufacturers.
In a clinic in southern Turkey, Mohammed Ibrahim helps 23-year-old Syrian Mustapha Abu Bakr take his first steps since he lost his legs, holding on to a set of bars for balance.
"He can't express his feelings," Ibrahim says. "It's a new thing completely for him."
Ibrahim explains that patients who have lost a leg below the knee can walk out of the clinic without crutches after a day of practice. For double amputees like Abu Bakr, who was injured in Syria's civil war, the adjustment takes more time.
Reporter John Otis was looking for a flight to Venezuela. That may sound like a simple task, but air travel to and from that Latin American country turns out to be extremely complicated these days. Here's his story.
A direct flight from my home in Bogotá, Colombia, to Caracas, Venezuela, takes about 90 minutes. But when I tried to buy a ticket recently, none were available. I was offered a flight with an overnight stop in Miami, but that would have cost $5,000.