Bone (IMAGE) Cornell University Caption A microscopic slide showing a region of cancellous bone (blue). The brighter blue regions are more brittle where we found cracks more likely to grow. Credit Cornell University 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.