Protcjard (IMAGE) Penn State Caption Justin Pritchard, assistant professor of biomedical engineering and holder of the Dorothy Foehr Huck and J. Lloyd Huck Early Career Entrepreneurial Professorship, holds up a mock genetic sample. This sample, less than a tenth of an ounce (1-2 milliliters) in volume, represents the size of the "compressed" genetic library — compared to a conventional library measuring about 3 ounces (80 milliliters) Credit elby Hochreither/Penn State Usage Restrictions non commercial use only License Original 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.