Kamala Harris and Donald Trump are hitting key swing states as the post-debate campaign push intensifies. We’ll take a look at Trump's false claims about abortion during this week's debate. Soldiers say Ukraine's incursion into Russia’s Kursk region is getting more difficult. Scientists have found out why a 650-foot mega-tsunami shook the Earth for nine days. And, we’ll tell you everything about ChatGPT’s new model, which the company says “reasons” like a human.

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