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    OpenAI published the technical report for textGrain on October 5 and will start adding an invisible watermark to ChatGPT and Codex text in the European Union within weeks. The detector catches around 95 percent of long untouched passages. Replace a quarter of the words and that drops to 17 percent. Here is what the signal actually proves, and what it does not.

    A 28-year-old technician at Russia’s Irkutsk anti-plague institute died after reportedly breaking a test tube of live bacteria. Nearly 200 contacts went under observation, public events were cancelled, and a criminal case was opened. Then the federal health agency recorded her death as pneumonia of unknown cause. Here is what the record actually supports, and what a lab-acquired plague infection normally looks like.