Nematode (image) Rice University Share Print E-Mail Caption This is a nematode from the Rice lab of biochemist Weiwei Zhong. Nematodes are favorite models of biological systems for their relative simplicity, their transparency and the ease with which scientists can manipulate their genetic sequences. Credit Zhong Lab/Rice University Usage Restrictions None Share Print E-Mail 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.