Objective:To study the effects of zinc on ACTH secretion and cold endurance of recruits in cold environment.

目的：研究锌对寒区新兵促肾上腺皮质激素（ACTH）分泌及耐寒的作用。

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In a non-ideal school reading takes place in a physically and emotionally cold environment, and in some discomfort.

在非理想的学校，阅读是在一个身心都觉得冷冰冰的环境里进行，让人感到不太舒服。

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You might not be physically cooler, but if your mind envisions a cold environment, you might feel a bit cooler.

这样也许你的身体不会感到凉快，但是因为大脑在联想凉爽的环境，所以你也许会感觉到少许凉意吧。

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"Probably the restriction of movements by clothing could increase the length of sleep, and a cold environment makes swaddling possible without overheating, " she says.

BBC: The babies who nap in sub-zero temperatures

In 2012, Curiosity examined the dusty soils that gave it an insight into the processes that drive the dry and cold environment that dominates Mars today.

BBC: Mars rover finally looks set to drill

"When I take a groups of women out into the cold environment, they are a lot more unsure, their default position is 'I can't do this, '" she said.

CNN: STORY HIGHLIGHTS