Certain masks are effective in protecting against wildfire smoke — but only if they are fitted and worn properly.

Jaque Silva/NurPhoto via OpenAI’s o3 focuses on high-level reasoning, using a “private chain of thought” to solve problems.

OpenAI's revolutionary o3 model is reshaping the future of computer science careers, with some students questioning their ...

OpenAI's announcement of its new o3 reasoning model has triggered another wave of anxiety among some computer science majors ...