Princeton University Nov 27 2025 Artificial intelligence may write award-winning essays and diagnose disease with remarkable accuracy, but biological brains still hold the upper hand in at least one crucial domain: flexibility. Humans, for example, can quickly adapt to new information and unfamiliar challenges with relative ease - learning new computer software, following a recipe, or picking up a new game - while AI systems struggle to learn 'on the fly'. In a new study, Princeton