The scientist is doing experiments no one has so far attempted.

科学家们正在作一项迄今为止没人做过的尝试。

youdao

All that he enjoys is doing experiments in the lab, and nothing can turn his mind from it.

他的全部兴趣就是在实验室里实验，任何东西都无法转移他的注意力。

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But by doing some science fiction experiments, we can take them apart and ask ourselves, Which one do I think is me?

但通过做一些科幻实验，我们可以把它们分开，并问自己，我认为哪一个才是我？

youdao

Pieter Hoff says he is now doing experiments with twenty thousand Waterboxxes in countries including Pakistan, Ecuador and the United States.

VOA: special.2010.07.13

Unlike most high-school science fair participants, they seem unaware that the point of doing experiments is to identify what actually works.

WSJ: Peter Suderman: The Lesson of State Health-Care Reforms