EDUCATION

AI2 released TutorMoments, a replay-based benchmark that drops seven LLMs into real math tutoring transcripts and scores whether they scaffold when help is needed or push for rigor when the student can do more. The default finding: models over-help, and spelling out the trade-off in the prompt lifts every score but does not close the gap to a consistent human call.

A new study from Dartmouth measures the impact of an AI tutoring platform on introductory statistics performance. Full engagement with the system correlated with significant exam score improvements, though selection bias remains a key limitation.

Douglas Thain's Introduction to Compilers and Language Design is a free undergraduate textbook that walks you through building a real compiler from scratch - and HN developers are enthusiastic.