“我大二的时候感觉，这里能一起约会的人根本没有，”克里斯托莫说，她是女生比例达55%的纽约福坦莫大学的高年级生。

"By my sophomore year, I just had the feeling that there is nobody in this school that I could date," said Ashley Crisostomo, a senior at Fordham University in New York, which is 55 percent female.

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斯坦福研究小组在向转换效率已经达到17%的硅太阳能电池中添加钙钛矿时，他们只测到一个功率很小的增加，达17.9%。

When the Stanford group addedperovskite to silicon solar cells whose efficiency was already 17 percent, forexample, they measured a much smaller increase in power output, to 17.9percent.

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