When experiments are to be made, one cannot rely too much upon the human senses to make an accurate observation.

做实验时，不能过分依靠人类的感官去做精确的观察。

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Remember that radiation cannot be seen, smelled, or otherwise detected by human senses.

记住放射物无色，无味，也不能被人类的感官所感觉到。

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Unfortunately, human senses cannot detect dangerous organisms until after the food has begun to decay.

不幸的是，人的感官无法检测到危险的生物的食物后已经开始腐烂。

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Neuroscientist Bradley Voytek has a pretty interesting blog post about just how keen human senses really are.

FORBES: Are We All Inattentive Superheroes?

Sensors are simple little things that measure and report on change and in so doing they emulate the five human senses.

FORBES: Why Sensors Are a Force of Context

But it is a salutary reminder that the limitations of human senses can cause even competent scientists to overlook obvious lines of enquiry.

ECONOMIST: Extra sensory perception