A collection of Twitter threads covering recent developments in AI-powered productivity tools (Zooclaw for trip planning, Genspark as an all-in-one workspace, Lightfield for CRM automation), plus medical breakthroughs in gene therapy for deafness and mitochondrial-based weight loss treatments. The threads mix product demos with scientific announcements from late 2025.

• Gene therapy successfully reversed deafness in ten patients by injecting a synthetic virus carrying the OTOF gene directly into the cochlea, restoring hearing within weeks
• A physiology student built a full-stack health app (Recalibrate) with 230,000 lines of code for roughly $700 using AI coding tools, compared to an estimated $1 million development cost
• New "proton shuttle" molecules can boost metabolism by safely causing mitochondria to burn more fuel as heat, potentially treating obesity and diabetes without the toxicity of existing uncoupler drugs

A survey of 167 software engineers reveals that while many feel they are keeping pace with AI coding tools, a significant number also express concerns about job security and productivity. The concept of "vibe-coding," popularized by Andrej Karpathy, highlights the changing landscape of software development, where AI assistance is both a boon and a potential hindrance. Engineers report mixed experiences, with some finding increased productivity while others struggle with over-reliance on AI-generated code.

• Of 167 software engineers surveyed, most feel they're keeping up with AI coding tools, but a notable share worry about job security and productivity.
• "Vibe-coding" (Karpathy's term) is reshaping workflows, with engineers split between productivity gains and frustration with over-reliance on AI-generated code.