A tough soft–hard interface in the human knee joint driven by multiscale toughening mechanisms - Wenyue Li; Xiaozhao Wang; Renwei Mao; Dong Li; Hongxu Meng; Ru Zhang; Jinghua Fang; Zhengzhong Kang; Boxuan Wu; Weiwei Ma; Xudong Yao; Chang Xie; et al. (Proceedings of the National Academy of Sciences, 2025)