New Route for Heredity Bypasses DNA (IMAGE) Princeton University Caption Princeton's Laura Landweber and Vikram Vijayan examine different species of ciliates swimming and dividing under the microscope. Credit Princeton University/Landweber lab 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.