So we know now that this animal uses path integration to find its way around, and the callous experimenter leads it top left and leaves it.  So what we're looking at here are a group of animals that use a compass, and they use the sun as a compass to find their way around, and they have some sort of system for measuring that distance, and we know that these species here actually
现在我们知道这种蜣螂是通过路径整合 来找到回家的路，但是我们无情的实验员 把它骗到了左上角然后抛弃了它。（观众笑） 所以我们现在看到的这些动物 它们会辨方向，它们使用太阳作为自己的指南针 来寻找它们的路， 它们还拥有某种形式上的 距离测算系统 我们知道这些动物能够记住自己走过的步数