根据一项新的研究，对男女微笑不同动态进行测量，可使人工智能（AI）纯粹基于微笑来自动区分和识别性别。

Is your smile male or female?

https://www.sciencedaily.com/releases/2018/03/180314125440.htm

1. Hassan Ugail, Ahmad Al-dahoud. Is gender encoded in the smile? A computational framework for the analysis of the smile driven dynamic face for gender recognition. The Visual Computer, 2018; DOI: 10.1007/s00371-018-1494-x

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存在电子物质新形式

研究人员用理论物理预测一种叫做四极拓扑绝缘体（quadrupole topological insulator）的存在。现在竟然就造出来了。

Existence of new form of electronic matter

https://www.sciencedaily.com/releases/2018/03/180314145005.htm

1. Christopher W. Peterson, Wladimir A. Benalcazar, Taylor L. Hughes & Gaurav Bahl. A quantized microwave quadrupole insulator with topologically protected corner states. Nature, 2018 DOI: 10.1038/nature25777