Colorful Mouse (IMAGE) Duke University Caption A color-changing mouse model was developed for deep-tissue organ-specific optogenetic control (left) and photoacoustic imaging (right). Credit Junjie Yao, Duke University Usage Restrictions Usage with credit License Original 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.