人类永远都在模仿自然,当汽车中的导航系统还是个新鲜事物时,黑脉金斑蝶的自我导航功能已经有了千年的历史。这些蝴蝶每年秋天远航3000英里从加拿大一直飞到墨西哥,春天到了再从墨西哥返回,两个月的漫漫长途,它们从不会迷失方向。蝴蝶是靠着什么的指引才完成旅行的呢?近日,科学 Human beings are always imitating nature. When the navigation system in the car is still a new thing, the self-navigation function of the Monarch butterfly has a thousand-year history. These butterflies sail 3,000 miles each year from Canada to Mexico, and spring arrives and then return from Mexico. The two-month long journey will never be lost. But what did the butterfly do to complete the trip? Recently, science