Actually it's smaller than this: " im" , " im" , " wim" .

实际上它比这个小：“im” 、“im” 、“wim” 。

Researchers from Harvard, m i t and a few labs in Italy and Switzerland made some other discoveries.

来自哈佛大学、麻省理工学院以及意大利和瑞士一些实验室的研究人员还有其他一些发现。