Photo 1 (IMAGE) Worcester Polytechnic Institute Caption Haichong "Kai" Zhang with is developing an MRI-guided robotics system to detect and monitor prostate cancer. Credit Worcester Polytechnic Institute Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.