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Researchers narrowed the 66-million-year-old impactor’s composition using advanced nickel isotope analysis, with Science Advances as the paper.

A pundit’s critique turns into a bigger question: who Vance is pitching to, and how it reshapes party messaging.

Two voice models, GPT-Live-1 and GPT-Live-1 mini, let ChatGPT listen and speak at once, plus stream longer reasoning.