Discussions, summarized

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• Hacker News1DeepInfer: High-performance inference framework for DeepSeek modelsDeepInfer is an open-source, high-performance offline inference framework from DeepSeek for serving DeepSeek models at scale, currently supporting DeepSeek-V4.1-Flash on NVIDIA SM100 and Huawei Ascend 950 hardware. It is licensed under Apache 2.0.Inference profitability:Commenters debate whether the reported $38/GPU/hour revenue shows real profit. Some argue it excludes training, power, and overhead, and that competition will compress margins. Others say inference is clearly profitable.Impact on US frontier labs:Many see cheap open models like DeepSeek threatening OpenAI and Anthropic valuations and moats. Others argue enterprises, governments, and distribution channels will keep the frontier labs relevant.China's motives for open-sourcing:Users question whether state interests drive the release, citing commoditizing competitors, Huawei hardware promotion, and a DHS ban on DeepSeek products in federal agencies.
• Reddit science1Scientists turned blood cells from donors aged newborn to 101 directly into brain stem cells, and the new cells kept getting biologically younger over time, shedding about 60 years of cell age in 50 days and acting like young cells, which may one day help treat brain diseases like dementia.Scientists at the University of Bonn in Germany converted blood precursor cells from donors aged newborn to 101 into induced neural stem cells using a virus that delivered two transcription factors. The converted cells became biologically younger over time, reaching about 5 percent of donor age within 50 to 100 days, and they behaved like young cells. The work may aid studies of brain cell therapies for neurodegeneration.Safety concerns over c-MYC:A commenter notes that c-MYC, used alongside SOX2, regulates cell proliferation and is linked to cancer when improperly controlled, so rigorous safety controls are needed before clinical use.Rejuvenation claims in the study:The shared article describes converting donor blood progenitor cells into induced neural stem cells using a virus and two transcription factors. Their epigenetic age fell to about 5% of donor age over 50 to 100 days.Moderation and removed comments:A moderator notice allows personal anecdotes only as replies to this comment and asks users to apply for flair. Most other comments in the thread were removed.
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