image: Imaging of chicken eggshell across multiple length scales. Electron microscopy with 3D-tomographic imaging, and atomic force microscopy, reveal interior shell nanostructure. This material relates to a paper that appeared in the 30 March 2018, issue of Science Advances, published by AAAS. The paper, by D. Athanasiadou at McGill University in Montreal, QB, Canada, and colleagues was titled, "Nanostructure, osteopontin, and mechanical properties of calcitic avian eggshell." view more
Credit: [Credit: Marc McKee]