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#8
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You know you're screwed when the sample you've expended a lot of time and effort to prepare and purge develops a mysterious green precipitate.
Scientific research provides an endless abundance of anecdotes, but they can all be covered under this blanket statement: You know you're screwed if you're a grad student. (Why yes, I do spend too much time reading http://www.phdcomics.com/comics/comics.php)
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The first run through of any experimental procedure is to identify any potential errors by making them. |
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