In situ mechanical behavior of mineralized collagen fibrils in murine cortical bone is altered by aging and disuse 1Hospital of Northwestern Polytechnical University, Xi’an, Shaanxi, China 2Key Laboratory for Space Bioscience and Biotechnology, Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi, China DOI 10.7717/peerj.20313...