Tic-tac-toe is about as simple as games get—but as Scientific American’s legendary contributor Martin Gardner pointed out almost 70 years ago, it has complex variations and strategic aspects. They ...
The world’s top performing artificial intelligence models, including OpenAI’s o3 and 04-mini, Google LLC’s Gemini 2.5 Pro and Gemini 2.5 Flash, Anthropic’s Claude Opus 4, and xAI Corp.’s Grok 4 are ...
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