Faces (IMAGE) Science China Press Caption These gradient faces were created by blending the features of self-face and stranger face at intervals of 5% successively; the scrambled pictures involved ingredients of both self-face and unfamiliar face. Credit ©Science China Press Usage Restrictions None 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.