image: Cutting of a thin section of chicken eggshell using a focused-ion beam to image interior nanostructure by electron microscopy. 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]