In 140 characters or less, the info that didn't get through peer review.
If an experiment is any good, the process needs to be replicated. That requires some details on the methods researchers used.
But, uh, how detailed, exactly?
Scientists have been playing off that idea, tweeting the TMI parts of their methods with the hashtag #OverlyHonestMethods.
Here are some classics:
AND: Many more are collected in this Storify from Beckie Port:
View the story "#overlyhonestmethods" on Storify