In situ gradient nanoprecipitation enables alloys with record-high as-cast strength−ductility synergy. - Shi, Peijian; Li, Yi; Duan, Junfeng; Jiang, Xin; Peng, Ziyu; Li, Runguang; Tan, Bodong; Wang, Xiaohan; Ruan, Yiheng; Nie, Baocheng (National Science Review, 2026)