The propensity for AI systems to make mistakes that humans miss has been on full display in the US legal system as of late. The follies began when lawyers submitted documents citing cases that didn’t exist. Last December, a Stanford professor submitted sworn testimony containing hallucinations and errors in a case about deepfakes, despite being an expert on AI and misinformation himself. Among other suggestions for potential uses of its models, OpenAI has begun explicitly telling people to use them for health advice. —James O’DonnellThis story originally appeared in The Algorithm, our weekly newsletter on AI.