ResearchGate's Open Review [1] and PubPeer [2] have some of what you might want. Both had excellent discussion/criticism about the acid-bath stem cell paper a f

ResearchGate's Open Review [1] and PubPeer [2] have some of what you might want. Both had excellent discussion/criticism about the acid-bath stem cell paper a few months back, for example. However, at least for PubPeer, the active papers seem to be mostly biomedical. [1] http://www.researchgate.net/publication/259984904_Stimulus-triggered_fate_conversion_of_somatic_cells_into_pluripotency/reviews/103 http://www.researchgate.net/publication/259984904_Stimulus-t... [2] https://pubpeer.com/publications/F0CFE0360002C25DC0BEFE28987D70 https://pubpeer.com/publications/F0CFE0360002C25DC0BEFE28987...