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The Top Retractions of 2022
From typo-laden code in psychedelics research to paper mills and plagiarism, we look back on some of the most notable retractions in scientific publishing this year.
The Top Retractions of 2022
The Top Retractions of 2022

From typo-laden code in psychedelics research to paper mills and plagiarism, we look back on some of the most notable retractions in scientific publishing this year.

From typo-laden code in psychedelics research to paper mills and plagiarism, we look back on some of the most notable retractions in scientific publishing this year.

retractions
magnifying glass in front of a stack of paper
Opinion: Science Needs Better Fraud Detection—And More Whistleblowers
Aman Majmudar, Undark | Oct 26, 2022 | 5 min read
An influential paper on amyloid protein and Alzheimer’s disease potentially fabricated data. Why did it take 16 years to flag?
Profile view of a newborn piglet being held by a veterinarian dressed in green.
Federal Investigators Probe Possible Misconduct in Pig Research
Dan Robitzski | Aug 30, 2022 | 2 min read
A quintet of research papers, all involving subjecting newborn piglets to brain damage, have been retracted because the data can’t be substantiated.
A wire mesh garbage can has toppled over, spilling crumpled papers onto the ground.
Gone but Not Forgotten: Retracted COVID-19 Papers Still Cited
Hannah Thomasy | Jul 14, 2022 | 5 min read
University of Wollongong epidemiologist Gideon Meyerowitz-Katz speaks with The Scientist about his team’s finding that flawed and fraudulent COVID-19 research continues to be cited.
Updated July 27
Magnifying glass in front of a stack of files of papers
PLOS ONE Pulls Five Papers Tied to Alzheimer’s Drug Controversy
Jef Akst | Mar 31, 2022 | 2 min read
The retracted studies were coauthored by a scientist who worked on an Alzheimer’s therapy in development by Cassava Sciences, a company reportedly under investigation for providing falsified data to the FDA.
model of the USS Enterprise spaceship
The Top Retractions of 2021
Retraction Watch | Dec 21, 2021 | 6 min read
From Star Trek to ivermectin, we look back on some of the most notable about-faces in publishing this year.
A conceptual illustration of computers, hands on mice, a virus
A Surge in Pandemic Research Shines a Spotlight on Preprints
Diana Kwon | Sep 10, 2021 | 5 min read
Many scientists have turned to preprints to rapidly disseminate their research on COVID-19, but some disagree with this approach.
an illustration of the earth with lines illustrating its geomagnetic fields
Paper Proposing COVID-19, Magnetism Link to Be Retracted
Shawna Williams | Nov 4, 2020 | 4 min read
The study, published in a peer-reviewed journal, has attracted widespread derision from researchers.
Timeline: When Bad Research Changes Public Health Strategy
Catherine Offord | Oct 1, 2020 | 1 min read
Illinois-based Surgisphere Corporation had a brief moment in the limelight this year following its infamous study of hydroxychloroquine. But the impact of the company’s deception reverberated across world.
The Surgisphere Scandal: What Went Wrong?
Catherine Offord | Oct 1, 2020 | 10+ min read
The high-profile retractions of two COVID-19 studies stunned the scientific community earlier this year and prompted calls for reviews of how science is conducted, published, and acted upon. The warning signs had been there all along.
retractions retraction watch scholarly publishing academic misconduct image manipulation
The Top Retractions of 2019
Retraction Watch | Dec 16, 2019 | 5 min read
A journal is forced to remove a record-breaking number of papers—and all in one go.
KU Leuven Investigates Whether Stem Cell Scientist Falsified Data
Catherine Offord | Dec 10, 2019 | 3 min read
Papers from Catherine Verfaillie’s lab have been drawing fire for years.
retraction genetics studies articles papers medical rate plagiarism duplication fabrication
Genetics Articles Retracted at Higher Rate than Other Disciplines
Chia-Yi Hou | Jul 26, 2019 | 2 min read
A study estimates that 0.15 percent of genetics articles are retracted, most commonly for duplication and plagiarism.
Nature Retracts Paper on Delivery System for CAR T Immunotherapy
Diana Kwon | Feb 20, 2019 | 3 min read
The manuscript had amassed more than 50 comments about problematic figures and data on PubPeer.
JAMA Journals Retract Six Papers by Cornell Researcher
Ashley Yeager | Sep 19, 2018 | 2 min read
Problems with Brian Wansink’s research articles surfaced in 2017 and have now resulted in 13 retractions total.
AACR Apologizes for Delays in Retracting Papers
Catherine Offord | Sep 5, 2018 | 1 min read
Nine of the most recent retractions from AACR journals are for papers coauthored by embattled cancer researcher Bharat Aggarwal.
Study: 35,000 Papers May Have Retraction-Worthy Image Duplication
Catherine Offord | Jun 29, 2018 | 2 min read
The authors of a preprint recommend that journals implement better image screening procedures before publishing articles.
Another Retraction for Discredited Researcher
Jim Daley | May 25, 2018 | 2 min read
Robert Ryan was forced to resign from the University of Dundee in 2016 following an investigation of misconduct.
OSU Professor Falsified Data on Eight Papers, Resigns
Catherine Offord | Apr 2, 2018 | 2 min read
Ching-Shih Chen’s research involved anticancer therapeutics that were being tested in clinical trials.
Top 10 Retractions of 2017
Retraction Watch | Dec 18, 2017 | 4 min read
Making the list: a journal breaks a retraction record, Nobel laureates Do the Right Thing, and Seinfeld characters write a paper 
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