Although there are already robots which can do this job,rats are better.Christian Linster at Cornell University,New York,says,“Robots'noses don't work well when there are other smells around.Rats are good at that.”Rats can also see in the dark.They are cheaper and quicker to train than dogs,and unlike robots,they don't need electricity.

Although there are already robots which can do this job,rats are better.Christian Linster at Cornell University,New York,says,“Robots'noses don't work well when there are other smells around.Rats are good at that.”Rats can also see in the dark.They are cheaper and quicker to train than dogs,and unlike robots,they don't need electricity.

尽管早已有机器人可以从事这样的工作，但耗子会更好。（位于）纽约康奈尔大学的Christian Linster说：“当环境中还弥漫着其他气味的时候，机器人的"鼻子"就会失灵，但是耗子却不会。”耗子即使在黑暗的环境下依然能够看见。它们也比狗更便宜、更快捷，且不像机器人——因为它们不需要电力。