
AI-generated nonsense about rat with giant penis published by leading scientific journal
Warning over ‘dangerous era’ of scientists faking their work using AI after publication of ‘shameful’ diagrams and illustrations

The rat diagram used with a research paper in Frontiers in Cell Development Biology, which has now been retracted
It might be considered an AI cock-up on a massive scale.
A scientific paper purporting to show the signalling pathway of sperm stem cells has met with widespread ridicule after it depicted a rodent with an anatomically eye-watering appendage and four giant testicles.
The creature, labelled âratâ, was also sitting upright in the manner of a squirrel, while the graphic was littered with nonsensical words such as âdissilcedâ, âtesttomcelsâ and âsenctolicâ.
A cut-away image showed âsterrn cellsâ in a Petri dish being picked up with a spoon.
It appeared in the journal Frontiers in Cell and Development Biology this week alongside several other absurd graphics that had been generated by the AI tool Midjourney.
They included a multicoloured JAK-STAT signalling pathway diagram which experts likened to âsome crazy level of Candy Crushâ and said was not grounded in âany known biologyâ.
The paper, written by researchers at the Honghui Hospital in China, has since been retracted by the journal, which issued an apology and said it was working to âcorrect the recordâ.
Rat With Big Fat Nuts

Dangers of faked research
But several scientists have expressed concern as to how it was published in the first place, and warn it heralds a dangerous era of researchers faking their work using AI.
Adrian Liston, professor of pathology at Cambridge University and editor of the journal Immunology & Cell Biology, said: âGenerative AI is very good at making things that sound like they come from a human being. It doesnât check whether those things are correct.
âIt is like an actor playing a doctor on a TV show â they look like a doctor, they sound like a doctor, they even use words that a doctor would use. But you wouldnât want to get medical advice from the actor.
âThe JAK figure is even worse than the rat figure, in my opinion. There are simply meaningless connections and lines that donât associate with any known biology.â
He added: âThe problem for real journals is getting harder, because generative AI makes it easier for cheats.
âIt used to be really obvious to tell cheat papers at a glance. It is getting harder, and a lot of people in scientific publishing are getting genuinely concerned that we will reach a tipping point where we wonât be able to manually tell whether an article is genuine or a fraud.â
Other scientists took to social media to describe the graphics as âabsolutely shamefulâ and âdevastatingâ, while some said they didnât know âwhether to laugh or cryâ.
Prof John Tregoning, of Imperial College London, said the graphics were âobjectively funnyâ but âhave no place in science journalsâ.

A good laugh
Writing on the Science Integrity Digest, Dr Elisabeth Bik, the Dutch microbiologist who works spotting manipulation in scientific papers, said: âOf course, we can have a good laugh at these figures, and wonder how on earth the handling editor and the two peer reviewers didnât catch this.
âBut the paper is actually a sad example of how scientific journals, editors, and peer reviewers can be naive in terms of accepting and publishing AI-generated crap.
âThese figures are clearly not scientifically correct, but if such botched illustrations can pass peer review so easily, more realistic-looking AI-generated figures have likely already infiltrated the scientific literature.â
Dr Bik has identified more than 1,000 papers which have fraudulent imagery, most of which she believes was generated by AI.
Rat With The Biggest Balls?

Companies are attempting to develop software that will detect AI-generated content and in the future it may be watermarked, but currently there is no way to spot it unless it is glaringly wrong.
A spokesman for Frontiers in Cell and Development Biology said: âWe thank the readers for their scrutiny of our articles: when we get it wrong, the crowdsourcing dynamic of open science means that community feedback helps us to quickly correct the record.â
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Gloria Navarro Nude Sex Scene From âErotica: Moonlightâ
“Rat. R-A-T. I saw a rat with a HUGE cock THIS BIG!”








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