Universal nasal vaccine breakthrough & Orbital data centers governance - Tech News (Feb 25, 2026)

Today's topics: Universal nasal vaccine breakthrough - Stanford Medicine reports an experimental intranasal “universal” vaccine in mice that broadly boosts lung immunity—covering SARS‑CoV‑2, bacteria, and allergens—suggesting long-lived cross-protection. Orbital data centers governance - Six U.S. companies and one Chinese firm are exploring orbital data centers, pitching constant solar power and cooling, while critics warn about data sovereignty, equity, and regulatory loopholes in space. Chip supply chain and tariffs - U.S. officials are pressuring tech leaders to reduce reliance on Taiwan’s advanced chipmaking, as tariff threats and purchase commitments collide with cost, capacity, and packaging dependencies. Meta’s massive AMD chip bet - Meta’s reported deal to buy AMD MI450 AI chips—structured around multi-gigawatt deployments and warrants—signals intensifying hyperscaler spend and a serious challenge to Nvidia’s dominance. AI coding boom and backlash - A freelancer’s “November moment” with Claude Code echoes broader anxiety: AI agents may compress software timelines, spark market fear, and accelerate the coming ‘influence industry’ around chatbots. Tools that track moving neurons - MIT researchers unveiled BrainAlignNet, AutoCellLabeler, and CellDiscoveryNet to register and label neurons in deforming animals, cutting manual annotation time and enabling longer behavior-linked recordings. FDA pathway for bespoke drugs - The FDA released guidance for a “plausible mechanism pathway” to approve ultra-rare, patient-specific genetic medicines, aiming to scale bespoke therapies while setting boundaries for use. Safer base editing for mutations - Penn and Rice engineers improved cytosine base editors by redesigning linkers to reduce bystander mutations, a step toward safer treatments for cystic fibrosis and other single-letter diseases. Meta returns to stablecoins - Meta is reportedly planning a stablecoin payments integration for late 2026, likely using a third-party administrator—an ‘arm’s length’ approach shaped by the backlash that killed Libra/Diem. Encrypted RCS between iPhone Android - Apple and Google are testing end-to-end encrypted RCS between iPhone and Android, bringing cross-platform message privacy into the GSMA Universal Profile with beta caveats and carrier requirements. Tesla robotaxi safety and transparency - A critique of Tesla’s ‘robotaxi’ claims highlights Level 2 driver-assist limits, crash-rate comparisons, redacted incident narratives, and a regulatory Catch‑22 around autonomy marketing. https://www.sciencedaily.com/releases/2026/02/260222092258.htm https://restofworld.org/2026/orbital-data-centers-ai-sovereignty/?utm_source=tldrnewsletter) https://brids.bearblog.dev/ai-and-my-crisis-of-meaning/?utm_source=tldrnewsletter) https://www.eurekalert.org/news-releases/1117529 https://www.robinsloan.com/lab/worst-or-best/?utm_source=tldrnewsletter) https://www.independent.co.uk/asia/india/ai-summit-india-us-china-data-centres-foreign-policy-b2926200.html https://www.statnews.com/2026/02/23/fda-rare-disease-new-guidelines-plausible-mechanism-pathway/ https://www.nytimes.com/2026/02/24/technology/taiwan-china-chips-silicon-valley-tsmc.html?unlocked_article_code=1.O1A.eHll.6WyAUW978EKz&smid=url-share&utm_source=tldrnewsletter) https://andys.blog/chess/?utm_source=tldrnewsletter) https://www.theguardian.com/technology/2026/feb/24/feedback-loop-no-brake-how-ai-doomsday-report-rattled-markets https://www.mcall.com/2026/02/24/meta-ai-chips-amd/ https://kitchener.citynews.ca/2026/02/25/researchers-at-university-of-waterloo-develop-bacteria-to-eat-cancer-tumours/ https://www.seas.upenn.edu/stories/engineers-sharpen-gene-editing-tools-to-target-cystic-fibrosis/ https://invest.energyx.com/?utm_source=&utm_medium=paid-partnership&utm_campaign=partnership30-03_02-23_33631714958)[ https://www.coindesk.com/business/2026/02/24/mark-zuckerberg-s-meta-is-planning-stablecoin-comeback-in-the-second-half-of-this-year?utm_source=tldrnewsletter) https://plaid.com/events/fintech-predictions-2026/?utm_source=TLDR&utm_medium=PaidNewsletter&utm_campaign=TLDR_Paid_Newsletter_Ad_Buy&utm_content=FTP26TT_Secondary) https://www.thestack.technology/google-moonshot-spinoff-looks-to-ship-the-internet-as-light/?utm_source=tldrnewsletter) https://www.chinatalk.media/p/what-are-chinese-people-vibecoding?utm_source=tldrnewsletter) https://arstechnica.com/gadgets/2026/02/paramount-increases-its-warner-bros-discovery-bid-by-1-per-share/?utm_source=tldrnewsletter) https://blog.dshr.org/2026/02/teslas-not-robotaxi-service.html?utm_source=tldrnewsletter) https://plaid.com/events/fintech-predictions-2026/?utm_source=TLDR&utm_medium=PaidNewsletter&utm_campaign=TLDR_Paid_Newsletter_Ad_Buy&utm_content=FTP26TT_Secondary) https://plaid.com/events/fintech-predictions-2026/?utm_source=TLDR&utm_medium=PaidNewsletter&utm_campaign=TLDR_Paid_Newsletter_Ad_Buy&utm_content=FTP26TT_Secondary), https://9to5google.com/2026/02/23/google-messages-encrypted-rcs-iphone/ https://www.cnbc.com/2026/02/24/paypal-stock-stripe-acquisition-report.html?utm_source=tldrnewsletter) https://airia.com/?utm_source=TLDR&utm_medium=Newsletter&utm_campaign=January232026)