Birds that are literally half asleep—with one brain hemisphere alert and the other sleeping—control which side of the brain remains awake, according to a new study of sleeping ducks.

根据一项关于睡觉的鸭子的新研究来看，半睡半醒的鸟儿——大脑的一个半球处于警觉状态，另一个半球处于睡眠状态——控制着大脑的哪一边保持清醒。

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The pilot should be able to use a joystick to control small thrusters on the side of the ship.

飞行员应该能够使用操纵杆来控制船侧的小推进器。

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The left side of most vertebrate brains, for example, seems to process and control feeding.

例如，大多数脊椎动物的左脑似乎负责的是处理和控制进食。

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So you can log into this, not only chat with this interactively, but on the right-hand side here, which is just a wallpaper right now, you can actually grant us view or control of your own screen.

所以你可以登录进去，不仅仅是,相互间的聊天，在这里的右手边，这只是一张壁纸，你可以允许我们查看或者控制你的屏幕。

哈佛公开课 - 计算机科学课程节选

One is whether it really does preserve the infection-control side of the immune system (which should be easy to test).

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Instead, Mr Bowman tried to tie up a cunning side-deal to gain control of Captain Morgan rum, the Seagram brand that he coveted most, with Morgan's original Puerto Rican distillers, who had reclaimed ownership from Seagram under a change-of-control clause.

ECONOMIST: Face value: The mixer | The

Some will be student "astronauts, " working side-by-side with scientists who use computers to control the rover.

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