Science hack day is like regular hack day but with a specific focus on science, so the data sets that people are mashing up will be data to do with science.

科学黑客日跟普通的黑客日没什么区别，只是多了个具体的着眼点，那就是科学，也就是说人们收集的数据集都与科学有关。

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Two weeks ago, Chicago hosted the Science Hack Day.

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