A.I.’s math problem reflects how much the new technology is a break with computing’s past. By Steve Lohr In the school year that ended recently, one class of learners stood out as a seeming puzzle.

The artificial intelligence start-up said the new system, OpenAI o3, outperformed leading A.I. technologies on tests that rate skills in math, science, coding and logic. By Cade Metz Reporting from ...

Bailey Heugly, right, records the length a ruler dropped to recreate an experiment on reaction time (how long it takes to respond to a stimulus) during a data science class at Lehi High School in ...