A snarkier reference work covering pseudoscience, conspiracy theories and the people making a living from them.
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RationalWiki sits in Wiki Rabbit Holes under Learn, and we have it filed as rabbit hole — clear your evening. we warned you. It reads as funny, brainy and clever.
Densely linked reference sites engineered — accidentally or otherwise — to make you click one more entry. The original rabbit holes.
The professional encyclopedia, still going, and a useful second opinion whenever Wikipedia gets contested.
Tens of thousands of fan-run wikis, each documenting one fictional universe in wholly unreasonable depth.
Wikipedia's index of its own indexes, which is either a long-running joke or the purest expression of the site.
Every Wikipedia edit as it happens, rendered as bells and strings, with each new user announced by a whisper.
The Star Trek wiki, maintained with the rigour of a national archive and roughly the same word count.
Enter any two articles and get every shortest path of links between them, drawn as a graph you can drag.
A scholarly reference to the whole genre, free to read, covering authors nobody else ever bothered to write up.
Race from one Wikipedia article to another using only links, against a clock and other people online.