Jingjing Wang

Over the warm waters of the Indian Ocean, every six to eight weeks, a vast wave of moist air gathers. It moves eastward at a pedestrian pace—about five meters per second—and takes forty to ninety days to circle half the planet.

In brachytherapy, thin catheters are inserted into tumors. On CT scans, they look like tangled glowing threads. Previously, doctors would manually outline each one, spending up to an hour. The new algorithm learns from synthetic scans — drawing metal strips in an empty volume, like threads without a body.