Cracking Eggshell Nanostructure 2 (VIDEO) McGill University This video is under embargo. Please login to access this video. Caption Cracking Eggshell Nanostructure. Not much else in the biological world 'mineralizes' so fast as a bird egg. Credit Prof. Marc McKee, McGill 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.