Marine upper-tropospheric rapid particle formation dominated by methanesulfonic acid - An Ning; Lizhuo Mao; Bin Zhao; Haotian Zu; Jiewen Shen; Yonggui Zhao; Jing Li; Xiucong Deng; Ling Liu; Haijie Zhang; Joseph S. Francisco; Shuxiao Wang; et al. (Proceedings of the National Academy of Sciences, 2026)