the daily brief

• Switzerland held a nationwide vote on whether to enshrine permanent armed neutrality in its constitution — euronews
• Hurricane Nolo brought Hurricane Warnings to Hawaii's Big Island and Tropical Storm Warnings to Maui County — maui now
• Russian strikes on Kyiv data centers disrupted Ukrainian media outlets, temporarily knocking the TV channels Novyny.Live and Armiia TV off air — ukrinform
• Ukraine's air defenses neutralized 134 Russian drones since the evening of September 25, while Dobropillia in Donetsk region remained under Ukrainian control despite Russian claims of having surrounded it — globalsecurity.org
• Ukraine's General Staff estimates Russia's total combat losses since the invasion began have reached about 1,527,280 personnel — rbc-ukraine
• Saudi Arabia said it intercepted another Houthi-launched missile — us news
• Russian Foreign Minister Sergey Lavrov accused Europe of trying to thwart prospects for Ukraine peace talks — aa
• Türkiye's deputy foreign minister chaired a meeting at the Turkish House in New York on strengthening international support for Somalia's security and stabilization — aa

• An unreleased Claude research model improved a decades-old lower bound on the fraction of Riemann zeta function zeros satisfying the Riemann hypothesis, raising it from 41.6% to 67.2%, with the proof validated by Anthropic mathematicians and outside experts including Brian Conrey and Dan Goldston — anthropic
• Nvidia and xAI joined a $30 billion AI data-center and energy investment fund alongside Microsoft and Abu Dhabi-backed MGX — datacenterdynamics
• Elon Musk said xAI's Colossus 2 supercomputer in Memphis may more than double its Nvidia chip count by the end of 2026 as the company presses to close its compute gap with OpenAI, Google and Anthropic — aiweekly
• xAI released Grok 4.7 on its API for coding, agentic tasks and knowledge work, with a 500,000-token context window and flexible reasoning levels — aiweekly

• Monarch and General Atlantic are leading a $1 billion restructuring of Loparex to avoid bankruptcy, shedding $400 million of liabilities by swapping half its first-lien debt for equity — investing.com
• Sixth Street renewed its bid for life insurer Brighthouse Financial after Aquarian's $70-a-share buyout stalled in regulatory review; Brighthouse shares have fallen to $50 on doubts the deal will close — investing.com
• Oaktree invested $1.5 billion in preferred shares of United Wholesale Mortgage to help stabilize the lender's unsuccessful 2020 hedging positions — investing.com

• Scientists captured a subduction zone off Vancouver Island in the process of tearing itself apart, suggesting these massive tectonic systems may die piece by piece rather than all at once — sciencedaily
• Artemis II astronauts Victor Glover and Reid Wiseman are transitioning to emeritus status at NASA's Johnson Space Center after their historic crewed journey around the Moon — sciencedaily
• Scientists used a 13-ion quantum simulator to recreate a particle-forming process linked to the extreme physics of the early universe, suggesting quantum computers could eventually help study how matter formed after the Big Bang — sciencedaily
• Researchers found a famous 2-billion-year-old chemical signature, once read as evidence of a global shift in Earth's carbon cycle, may instead have been produced by local magma, hydrocarbons and methane-eating microbes — sciencedaily
• Researchers identified two previously unknown sea spider species in the Salish Sea, including one with hairy legs and red eyes — the first new sea spider species formally described there in nearly a century — sciencedaily

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