researcher (IMAGE) Rice University Caption Melissa Traver examines Arabidopsis thaliana seed packets. Credit (Photo by Jeff Fitlow/Rice University) Usage Restrictions Must credit by Jeff Fitlow/Rice University. 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.