Factoid

From the coffee table photo book to the bathroom factoid anthology to the bedside escapist novel, American literature is designed to match the furniture.

Source: tatoeba (715531)

Oaks can host more than 500 different kinds of caterpillars—an amazing factoid that I just looked up.

Source: tatoeba (12107372)

Such hedging is necessitated by the lack of in-depth knowledge of the contents, which also gives free rein to the scripting of unsubstantiated factoids concerning the book.

Source: wiktionary

Wikipedia-derived factoids can be so important that there is a well-known feedback loop, called citogenesis, in which the mainstream news finds some claim made in a Wikipedia article, and publishes it (without citing Wikipedia). Then Wikipedia itself makes use of the news article. By means of this loop, an ultimately “sourceless” factoid gains a spurious authority.

Source: wiktionary