https://thenextweb.com/science/2018/11/06/meet-the-people-busting-scientists-who-fake-images-in-research-papers/

In biomedical research alone, an estimated $2 billion may have evaporated last year over papers that were retracted due to doctored images. Now, a growing body of researchers are turning to AI to catch crooked scientists in the act, and hopefully solve this decade-old issue.

On September 10, a controversial paper was published in the Scientific Reports journal claiming that a homeopathic treatment formulated from the poison ivy plant could ease pain in rats. While the uproar was initially due to the fierce debate surrounding the efficacy of homeopathy, it intensified when it turned out that the paper had doctored images.