"The bulk of 2023’s retractions were from journals owned by Hindawi, a London-based subsidiary of the publisher Wiley (see ‘A bumper year for retractions’). So far this year, Hindawi journals have pulled more than 8,000 articles, citing factors such as “concerns that the peer review process has been compromised” and “systematic manipulation of the publication and peer-review process”, after investigations prompted by internal editors and by research-integrity sleuths who raised questions about incoherent text and irrelevant references in thousands of papers."