Nano Metal Balls Helping Fight Cancer

Scientists in the U.S. have turned to nanotechnology in the fight against cancer. Doctors at Harvard medical school have been injecting patients with magnetic nanoparticles to track tumours.

The nanoparticles, made from iron oxide, are more than 1,000 times smaller than the thickness of a human hair. The millions of miniature metal balls flood the body and concentrate in healthy lymph nodes. Scientists then scan cancer patients for the particles with medical imaging equipment to see if their nodes are normal or malignant.   Full Story>>