'If a control experiment fails, does that mean that the entire experiment is poorly designed and you must restart from scratch? Often, yes— but not always. I present five examples where failed control experiments triggered entirely new fields of research.' link.springer.com/article/10.1...
The controls that got out of control - EMBO Reports
EMBO Reports - When experimental controls go wrong, it does not necessarily mean your experiment is flawed. It might well be the first sign of something unexpected.
link.springer.com