Peer reviewing is a crucial aspect of scientific research. It is a process of evaluation at the core of scientific publishing established formally at the Royal Society since the 19th century. Discover enlightening reports about some of the most famous scientific papers, or read famous scientists considering the work of their peers. The reports vary from a simple approval/disapproval to long scientific discussions.
Read more on the creation of peer review and the role of the Royal Society journals: Peer review: not as old as you might think.