AI video wins science prize then loses it

A major scientific imaging competition has been at the centre of a heated debate after its winning entry was disqualified for using artificial intelligence. The Nikon Small World In Motion contest, which celebrates videos taken through microscopes, awarded first place to a researcher from Tsinghua University in China. However, within days of the announcement, other scientists began to question whether the video was genuine.

The short film claimed to show tiny hair-like structures called cilia moving in the airway of a child with a rare respiratory condition known as primary ciliary dyskinesia, or PCD. Dr Ning Xu, who submitted the entry, said he had used a technique involving complex light waves to capture the colourful movement. He acknowledged using generative AI in his work but believed he had acted within the competition rules.

Nevertheless, experienced microscopy experts immediately raised doubts. Dr Robert Hirst, a scientist at the University of Leicester who diagnoses PCD, said he knew right away that the video was fabricated. He explained that the cells and cilia shown did not match the appearance of those from real PCD patients. Other researchers pointed out that the nuclei in the video did not behave as real nuclei do, and the cilia appeared to come from nowhere.

As a result of the growing criticism, a group of microscopy professionals wrote an open letter to the competition organisers. They argued that the misleading portrayal of a rare disease could shape public understanding in a harmful way. They called for Nikon to enforce its own rules and to have the winning work examined by outside experts.

Nikon responded by thoroughly re-evaluating the video along with supporting materials and consulting members of its judging panel. The company concluded that the entry did not comply with the competition rules regarding generative AI. It disqualified the video and stressed that the decision was not a judgement of Dr Xu's professional reputation or his scientific contributions. Nikon also announced it would now review the rules and procedures of the fifteen-year-old contest.

Following the disqualification, the first prize was awarded to a researcher from Vietnam, Nguyen Nam Nhat, for a video showing a microscopic roundworm encountering a single-celled organism. The controversy has sparked a much wider conversation about where the line should be drawn between human skill and machine assistance. Whereas some people feel that AI is simply another tool, others worry it could undermine trust in scientific imagery and create an unfair playing field in competitions designed for human talent.