Researchers studying brains want to know what's happening in an area called the premotor cortex — the place in the brain that gears up for something the body is about to do, like swimming. Above, Michael Phelps dives off the starting blocks in the final heat of the men's 400-meter individual medley during the 2012 U.S. Olympic Swimming Team Trials in Omaha, Neb., on June 25.
When Olympic swimmer Michael Phelps steps onto a starting block a few days from now, a Stanford scientist named Krishna Shenoy will be asking himself a question: "What's going on in Michael Phelps' brain?"
Specifically, Shenoy would like to know what's happening in an area called the premotor cortex. This area doesn't directly tell muscles what to do. But it's the place where the brain gears up for something the body is about to do, like swimming.
Longtime AIDS activist Dr. Ashraf Grimwood says South Africa has made huge strides in confronting HIV. But he worries that giving anti-retroviral drugs to healthy people could have negative consequences in the long term.
The news that the U.S. Food and Drug Administration this week approved the use of Truvada, an AIDS drug, to prevent infections in people who are HIV-negative is being greeted with skepticism, derision and even worry by some doctors in South Africa.
That's what one U.S. official says about the prospect that Syria's vast stockpile of chemical weapons might be used against rebel forces. From a U.S. national security standpoint, an even worse outcome would be for those weapons to fall into the hands of terrorists.
Originally published on Fri July 20, 2012 10:42 am
Today marks the 10th anniversary of the death of singer-songwriter Dave Carter from a sudden heart attack induced. He and Tracy Grammer, his partner in both music and life, were the fresh new act in folk at the time, having joined forces in 1996. In accordance with Carter's wishes, Grammer has continued to perform their songs even into her blossoming solo career, which so far includes three studio albums.
While the concept of the American dream has been a part of our national consciousness for generations, you'd be hard-pressed to find two people who define it precisely the same way. We can say that with some authority, because, as part of our series, American Dreams: Then And Now, we asked you to share your own take on the dream. Sure enough, no two responses were the same.
China and Russia this morning vetoed a U.N. Security Council resolution that could permit sanctions against Syria unless the government of President Bashar Assad stops using weapons against civilians. This is the third time China and Russia have rebuffed measures pushed by the United States and its allies to try to bring a halt to Syria's violent civil conflict.
A man who stripped naked to protest security screenings at the Portland International Airport was exercising his right to free speech, a court ruled Wednesday.
John Brennan was charged with indecent exposure after the incident, but Brennan said he stripped only after he refused to walk through a scanner and security agents found traces of nitrates on his clothes.
Warning that a fuel line could leak, "potentially resulting in an underhood fire," Ford Motor Co. today told owners of about 11,500 model year 2013 Escapes "to stop driving their vehicles and to immediately contact their dealers."
The company said that "dealers will deliver a loaner vehicle to customers and will then transport their 2013 Escape to the dealership until the repair has been completed."
There have been no injuries reported in connection with the problem, the company said.