A Hillhouse student’s eyes widened as he applied grape juice and heat to what appeared to be a blank piece of paper — but instead held a secret message in invisible ink, written as part of a course ...

Researchers are hiding instructions for A.I. reviewers in preprint studies using white text, which is invisible on a white background. Screen recording of the preprint study "Near-Optimal Clustering ...

Researchers have been sneaking secret messages into their papers in an effort to trick artificial intelligence (AI) tools into giving them a positive peer-review report. Authors of the studies ...