Here are today’s 5 verified tech & science stories, covering Tech & Apps, AI Tools and Science & Space.
Table of Contents
Every item below links to its original source.
The TLDR
- Tech & Apps: Apple Pushes Out the Third iOS 27.2 Developer Beta
- AI Tools: ChatGPT Will Start Showing Ads Next to Generated Images
- Science & Space: 2026 Nobel Prize in Medicine Honors the Scientists Behind Optogenetics
Tech & Apps
Apple Pushes Out the Third iOS 27.2 Developer Beta
Apple released the third developer beta of iOS 27.2 on October 5, continuing work on updates that follow iOS 27’s September 14 launch and the iPhone Duo-focused iOS 27.1 release. The beta includes the redesigned Health app Apple previewed at its iPhone 18 event, a dual-capture mode for Group FaceTime, and expanded Siri AI support for French, Japanese, Korean, Portuguese, and Spanish, per 9to5Mac. The Podcasts app also gains a “New Episodes” tab in place of “Up Next,” plus a separate “Continue Playing” section.
A New Command-Line Tool Strips Apple Intelligence Off Your Mac
A free, open-source tool called RemoveMacAI lets Mac owners disable Apple Intelligence on macOS 27 and delete its downloaded AI models, something the operating system doesn’t offer as a built-in toggle, as reported by Ars Technica. Running it via Homebrew or a curl installer can free up more than 12GB of storage. If you’re trying to claw back space on an older Mac, our guide to the best free PDF editor with no watermark is another good way to cut subscription bloat.
AI Tools
ChatGPT Will Start Showing Ads Next to Generated Images
OpenAI plans to introduce visual ads that appear alongside images users generate in ChatGPT, starting later this month for an initial test group of advertisers in the U.S. only, according to TechCrunch. The ads will be clearly labeled and won’t change ChatGPT’s actual responses, building on text ads OpenAI already uses to support its free and lower-cost tiers. If you’re weighing which AI tools are worth paying for versus free, ad-supported ones, our roundup of the best AI apps is a good place to start.
Science & Space
2026 Nobel Prize in Medicine Honors the Scientists Behind Optogenetics
Karl Deisseroth, Peter Hegemann, and Georg Nagel won the 2026 Nobel Prize in Physiology or Medicine for developing optogenetics, a technique that uses light and genetics to switch individual neurons on or off, per Phys.org. Hegemann and Nagel first identified the light-sensitive protein channelrhodopsin in green algae, and Deisseroth later used it to control neurons in rats and mice. Researchers are now testing the approach in human trials for vision loss from degenerative eye disease, with early-stage work exploring epilepsy, Parkinson’s, and depression. Deisseroth, a Stanford scientist, got the call early Monday morning and reportedly paused the day’s congratulatory interviews to make his kids’ school lunches, according to a separate Phys.org report.
Study Links Night-Owl Sleep Patterns to Higher Disability Pension Risk
A 12-year Finnish study of 5,679 adults found that self-described “evening types” received disability pensions at roughly 70% higher rates than “morning types,” before adjusting for other factors, according to ScienceAlert. Researchers at the University of Oulu, led by Tapio Räihä, tracked participants born in two northern Finnish provinces from 2012 to 2023; 8.3% of evening-type men and 12.1% of evening-type women ended up on disability pensions, versus 5% and 7.2% of morning types, respectively. The study’s authors suggest the gap is most likely explained by generally poorer health among evening-type people rather than their sleep schedule itself.
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Photo: Daniel L. Lu (user:dllu) / CC BY-SA 4.0, via Wikimedia Commons.