3 gaces (IMAGE) Penn State Caption Using 3-D facial images with over 7,000 data points, researchers have identified changes in the DNA sequence of European individuals that contributes to variation in facial features. These findings help us better understand human variation and facial birth defects. Credit Julie White, Penn State Usage Restrictions non commercial 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.