ESPN+ (no free trial)
15+ Premium newsletters by leading experts
。关于这个话题，搜狗输入法下载提供了深入分析
△中科第五纪轮式双臂机器人，图片：采访人提供
Source: Computational Materials Science, Volume 267
The spines of sea urchins can generate a voltage when water moves around them — a phenomenon that could be used to design underwater flow sensors.