Culture Plates in the Laboratory of Gregory Lang (image) Lehigh University Share Print E-Mail Caption In his lab, Lang employs robotic technology to deposit yeast dilutions into culture plates, propagating 288 populations at a time. He then freezes these samples at -80 degrees, which allows him to create fossil records of his experiments. Credit Lehigh 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.