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Chinese state television reports that China has opened an antitrust investigation into US chipmaker Nvidia. The investigation focuses on Nvidia's acquisition of Israeli networking company Mellanox, which China approved in 2020, marking the latest escalation in the US-China technology conflict. The probe comes after the US recently imposed new restrictions on memory chip sales to China. China responded by banning exports of critical chip materials like germanium and gallium. Nvidia, valued at over $3 trillion, is the world's second most valuable company and the leading supplier of AI chips. The company's stock dropped nearly 2 percent in premarket trading. Both countries are heavily investing in domestic chip production, with the US funding the CHIPS Act and China creating a new $47.5 billion state fund.

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A study by the Radiological Society of North America (RSNA) shows that AI-assisted mammography can enhance early cancer detection. More than one-third of women at ten medical practices opted to pay for AI screening programs themselves. The AI-supported examinations found 21 percent more cancer cases compared to standard screenings. In the AI-supported version, FDA-approved software analyzes the mammograms. An expert reviews cases where the AI and the first examiner reach different conclusions. Among 747,604 examined women, those who participated in AI screening showed a 43 percent higher detection rate—21 percent from the AI itself, and 22 percent because more high-risk patients signed up. The researchers presented their findings at the RSNA annual meeting. According to the team, the data indicates that many women want to use AI to improve their screening results, and that combining AI with safety verification leads to higher cancer detection rates.

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OpenAI appears ready to release an updated version of its Sora video generator, according to statements made by OpenAI's Chad Nelson at C21Media in London (via Ruud van der Linden). The new version will include three generation methods: text to video, text and image to video, and text and video to video with a length of up to one minute. Recent API leaks have confirmed earlier rumors that the company has developed a faster, more efficient version of the AI video tool. The launch could happen during OpenAI's winter promotional event in December, possibly as early as next Monday. OpenAI might also announce GPT-4.5 and new image features for GPT-4o during its winter promotional event.

Video: Ruud van der Linden via X

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