Interview in China (IMAGE) Cornell University Caption Shenghui Wang, an economist with the World Bank interviews a Chinese cotton farmer about using Bt cotton and how much spraying was required after several years of use. Wang, who received her Ph.D. from Cornell in 2006, participated with Cornell researchers in the first study to look at the long-term impact of Bt cotton in China. Credit Provided 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.