Planning ahead in an age of longevity

Life expectancy in the United States has been rising over many decades, ushering in what experts describe as "an era of unprecedented longevity." This trend raises important questions about how people can best prepare for ...

Mapping surprise in the human mind, with help from AI

We build AI systems to mimic the human brain: writing emails, answering questions and predicting what comes next. But new research aims to turn that relationship around—using large language models (LLMs) to explore how ...

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