That may not sound like a long time. However, the researchers remind us that one day in the life of a fruit fly is equal to one human year.

这听起来可能不算太长时间。然而，研究人员提醒我们，果蝇寿命中的一天相当于人类的一年。

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Human judges have since been asked to distinguish between two correspondents, one man, one machine, in a competition held every year for the past two decades.

在过去二十年来每一年举行的比赛中，人类裁判们都被要求从比赛中甲乙双方中区分出一个人和一个计算机来。

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The petite 3.2-million-year-old skeleton called Lucy is one of the most famous and most complete of human ancestors.

这具已经有320万年历史的娇小的原始人体骨架被人们称为Lucy，她是目前为止被发现的最为完整且名声最大的人类祖先之一。

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So if the seven dog years to one human year is wrong how do we work out an accurate calculation?

BBC: Dog years: How do you calculate a dog's true age?

Caspase-blockers may limit collateral tissue damage from strokes, heart attacks or liver disease, and Vertex hopes to begin human trials of at least one compound next year.

FORBES: Machine Gunner

At the San Jose mine, the story of the 33 trapped miners has been described by more than one journalist as the global human interest story of the year.

BBC: World media gear up for Chilean mine rescue