The traditional way for doctors to treat certain illnesses has been to prescribe medications. But as technology advances, researchers are working on new ways of treating symptoms that do not require drugs. One promising possibility: using tiny magnetic particles to treat pain. VOA’s Elizabeth Lee visited one lab at the University of California, Los Angeles, to find out how they work.
The U.S. Department of Agriculture Animal and Plant Health Inspection Service on Tuesday lifted the regulatory prohibition on cultivation by farmers of the cotton plant, which was developed by Texas A&M University scientists