Spaced learning is an effective alternative to the traditional massed-learning approach, unlocking greater potential for both teaching and learning.

Thomas Conley, a second-grade student at Porter Elementary School in Mesa, Arizona, noticed that his friend was choking on a grape and sprang into action, according to local reports.

The artificial intelligence start-up said the new system, OpenAI o3, outperformed leading A.I. technologies on tests that rate skills in math ... called Gemini 2.0 Flash Thinking Experimental ...