Doctors have long warned against prolonged use of antibiotics, saying that bacteria can build resistance to drugs, eventually rendering them ineffective. The World Health Organization reported Wednesday that antibiotic-resistant bacteria now exist in many parts of the world. Zlatica Hoke reports that some diseases that once could easily be cured by antibiotics have now become deadly.
U.S. researchers are developing a new type of robotic needle designed to remove blood clots in the brain. It hasn't yet been used in the operating room, but in simulated surgery, it's been able to remove 90 percent of the blood clots. As VOA's Carol Pearson reports, the device could potentially save many lives.