AI isn't just changing how we think—it's dissolving the boundaries between human and machine cognition in unexpected ways.

Sometimes, AI’s ability to replicate how humans talk can be surprising. But then it does something that we would never do, like when a chatbot hallucinates. What is going on inside AI? Inside AI, or a ...

Hallucinations, a bane of popular A.I. programs, turn out to be a boon for venturesome scientists eager to push back the frontiers of human knowledge.