Does peer-review guarantee the quality of scientific papers?

The peer-review system is adopted by scientific journals in order to validate the content of articles submitted by authors for publication.

When one or more authors send a manuscript to a journal for publication, the editor (the person in charge of publishing it) sends it to two or more (presumed) experts to verify that the article is error-free and scientifically correct. This last point already lends itself to some criticism because it is not very clear what it means. Science hardly lends itself to “ordinary” or standardized…