Brain cancer chromosomes (IMAGE) Princeton University, Engineering School Caption Princeton computer scientists developed new methods that allow researchers to more accurately identify losses or duplications in chromosomes in cancerous tissue. Credit Thomas Ried, NCI Center for Cancer Research, National Cancer Institute, National Institutes of Health Usage Restrictions Noncommercial use only 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.