Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

再给你们说个有用的小窍门，就是从简单机械的角度讲，你的眼睛在快速看东西，比如从左往右瞄时，不是直直地、平平稳稳地扫过去的。你可以试试，闭上一只眼，用手按着，然后慢慢看对面的墙。你会发现眼睛是跳着看的。这有个专门的词，叫视动性运动，我听人说过好多回了。