Investigating Cell Stress for Better Health -- and Better Beer (image) Chalmers University of Technology Share Print E-Mail Caption The two light paths are in phase, until one passes through the yeast cell sample. As the cell is subjected to stress, it is possible to read the changes in its properties through the resultant variations in beam phase offsets. Credit Yen Strandqvist 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.