Smart RNA antibiotics (IMAGE) Rice University Caption An illustration of the differences between traditional antibiotic drugs (top) and “smart,” genetically encoded antibiotics that are designed to selectively kill only disease-causing bacterial pathogens. Credit Credit: Chappell Lab/Rice University Usage Restrictions Must credit: Chappell Lab/Rice University 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.