ExpVid: A Benchmark for Experiment Video Understanding & Reasoning - Xu, Yicheng; Wu, Yue; Yu, Jiashuo; Yan, Ziang; Jiang, Tianxiang; He, Yinan; Zhao, Qingsong; Chen, Kai; Qiao, Yu; Wang, Limin; Okumura, Manabu; Wang, Yi (International Conference on Learning Representations, 2026)