虽然水对植物生长是必需的，但过量的水分会使植物淹水并杀死植物。在南亚和东南亚，在雨季发生周期性洪水，水深可达数米多个月。

水稻品种被称为“深水水稻(deepwater rice)”，具有独特的战略，以确保自己的生存。深水稻米在浅水中正常生长，但在大洪水中，随着水位的升高，它的高度增加，使植物能够渡过漫长的洪水。

Rice plants evolve to adapt to flooding

https://www.sciencedaily.com/releases/2018/07/180712141631.htm

1. Takeshi Kuroha, et al. Ethylene-gibberellin signaling underlies adaptation of rice to periodic flooding. Science, 2018 DOI: 10.1126/science.aat1577

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暗物质如何与普通物质相互作用？

How might dark matter interact with ordinary matter?

https://www.sciencedaily.com/releases/2018/07/180713093545.htm

1. Xiangxiang Ren, Li Zhao, Abdusalam Abdukerim, Xun Chen, Yunhua Chen, Xiangyi Cui, Deqing Fang, Changbo Fu, Karl Giboni, Franco Giuliani, Linhui Gu, Xuyuan Guo, Ke Han, Changda He, Di Huang, Shengming He, Xingtao Huang, Zhou Huang, Xiangdong Ji, Yonglin Ju, Yao Li, Heng Lin, Huaxuan Liu, Jianglai Liu, Yugang Ma, Yajun Mao, Kaixiang Ni, Jinhua Ning, Andi Tan, Hongwei Wang, Meng Wang, Qiuhong Wang, Siguang Wang, Xiuli Wang, Shiyong Wu, Jingkai Xia, Mengjiao Xiao, Pengwei Xie, Binbin Yan, Jijun Yang, Yong Yang, Hai-Bo Yu, Jianfeng Yue, Tao Zhang, Jifang Zhou, Ning Zhou, Qibin Zheng, Xiaopeng Zhou. Constraining Dark Matter Models with a Light Mediator at the PandaX-II Experiment. Physical Review Letters, 2018; 121 (2) DOI: 10.1103/PhysRevLett.121.021304