Nikon's Big Science Prize Is Now a Fight Over AI Fakes
A prize-winning peek inside the human body may have been faked by AI.
Last month, a short video won first prize in Nikon's Small World in Motion contest — a yearly competition for the best videos taken through a microscope. The clip showed cilia (tiny hair-like structures that line a child's airway) waving back and forth like grass in a breeze. It was filmed at 100x magnification by Dr. Ning Xu of Tsinghua University in China.
Almost immediately, scientists who study cilia said something looked wrong. Some parts of the image appeared and disappeared out of nowhere, and the hairs seemed too large compared to real ones. One researcher even said he found a hidden "SynthID" watermark — a digital tag Google quietly stamps onto AI-generated images, like a faint signature you can't see with your eyes. Edward Phelps, a professor at the University of Florida, called the video's problems "serious."
Dr. Xu denies that AI made the video or the motion in it, and denies breaking the contest's rules. Xu does admit using AI to "distinguish and visualize" details in the grayscale images — similar to how sharpening or color tools work in photo editing software. Nikon says it is carefully re-reviewing the entry, and that Xu has handed over detailed documentation on the equipment and methods used. The company plans to tell the community what it found next week.
So why should you care about a microscope video? Because a picture or video used to be proof that something happened. That's no longer true. AI can now produce convincing images of almost anything — a scientist's research, a politician's speech, or a photo of a family member. This case shows the problem has reached even the most trusted corners of science, where fake results can waste years of research and public money. There's no easy fix yet. Verifying what's real is becoming a skill we all need, and even prize judges are now forced to play detective.
- A microscope video of tiny hairs inside a child's airway won Nikon's top science film prize — and is now under investigation for AI fakery.
- The researcher admits using AI to help sharpen and color the images, but denies AI created the movement; critics say they found a hidden AI watermark in the file.
- Nikon says it will reveal its verdict next week, showing that even science contests now have to verify what's real.
Why It Matters
It's getting harder to tell real video from AI — even in science. Expect more fact-checking everywhere.