Even when you've got nothing to smile about. Forcing a smile can trick your body into changing your mood.

即使当你没有可以笑的事的时候，强迫自己笑可以欺骗自己的身体，从而改变自己的情绪。

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After spending a year in orbit around Vesta, Dawn will perform a trick rare in space travel-it will reignite its engines and head off to orbit another body.

在灶神星轨道呆了一年之后的“黎明”号将在太空旅行中进行一次罕见的表演- - -它会重新点燃发动机并转变方向环绕另一个天体运行。

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The trick isn't a machine on a infomercial, the trick is to lose body fat.

这个窍门并不是需要电视上的什么机器，而是只需甩掉身上的脂肪就行了。

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The billion-dollar trick would be to persuade the body it is starving when it is not.

ECONOMIST: Abolishing ageing

"I wanted to see whether or not we can trick the cells into thinking they are in the body, " she says.

FORBES: Advanced Tissue Sciences Founder Wins Inventor Award

Previous prevailing opinion held that the high frequencies needed for wireless power delivery couldn't penetrate the human body deep enough, and the lower frequencies that would do the trick require antennas too large to work as implants.

ENGADGET: Stanford researchers make heart implant powered by radio waves, put batteries out of a job