Microscopic super magnets are the future of drug delivery
Magnet with Ball Bearings (Shutterstock)

Microscopic crystals could soon be zipping life-saving drugs around your body, taking them to diseased organs. This would have been impossible in the past, because the crystals, which have special magnetic properties, were so small that scientists could not control their movement. But now a team of Chinese researchers has found the solution. Kezheng Chen and…