Visitors stands in front of the entrance to the Louvre in Paris, on Wednesday. The museum was closed for the day after workers walked off the job to protest what they say is the increasing problem of pickpockets in the museum's vast galleries.
Originally published on Wed April 10, 2013 7:00 pm
The atmosphere was different today.
"We have hope," Elsa Flores said. She was demonstrating with thousands of other protesters in Washington on Wednesday, demanding a path to citizenship for an estimated 11 million undocumented immigrants.
Researchers in California described Wednesday their new method for mass-producing the key ingredient for the herbal drug artemisinin, the most powerful antimalarial on the market. Already, the French drugmaker Sanofi is ramping up production at a plant in Italy to manufacture the ingredient and the drug.
Global health advocates say they expect this new method of producing artemisinin will at last provide a stable supply of the drug and cut the overall cost of malaria treatment.
Scientists reported Wednesday that they had developed a way to measure how much pain people are experiencing by scanning their brains.
The researchers hope the technique will help doctors treat pain better, but the work is also raising concerns about whether the technique might interfere with doctors simply listening to their patients.
Now, when someone is in pain, a doctor has no way to judge its severity except to ask questions, a method that often is inadequate.