<i>Oxytricha</i> (IMAGE) Princeton University Caption Princeton scientists are probing the genetics of the pond organism Oxytricha, shown here in the process of reproducing. Credit Photo by Robert Hammersmith 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.