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This is a support wiki for:
 * Doomsday Debunked Facebook group

Featured pages
Scientific doomsdays Hoaxes, conspiracy theories and psuedoscience
 * Clathrate gun hypothesis
 * Megatsunami
 * La Palma Tsunami
 * Marsili undersea volcano - tsunami risk for Naples and south west Italian coast
 * Why we'd have centuries of warning of a supervolcano eruption - with zoomable map of top seven supervolcanoes
 * Mars hoax
 * HAARP
 * Blue Star Kachina

David Morrison's video

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See Why Nibiru is impossible

Dave Greg's ammusing Nibiru parody

Z7UHOHxfxQY More material - plan to import some of the more central articles here gradually:
 * Nibiru Cataclysm
 * Nibiru (Babylonian astronomy)
 * Why Nibiru is impossible
 * Zecharia Sitchin
 * Past dates for failed doomsday prophecies
 * List of posts in the Doomsday Debunked blog - with much more material some of which will be imported into this wiki, e.g. on superflares, Yellowstone, the situation in North Korea etc etc.

All pages

This is a list of mistakes I noticed in Wikipedia that I can't fix now that I'm blocked, it may be of interest to show how you can't rely on Wikipedia - in some areas it is excellent, but you need to get to know which articles in it are trustworthy and which tend to have errors in them.
 * Wikipedia mistakes or omissions

Many more debunks in the
 * Debunking Doomsday Quora blog

Other Wikis
These wikis are also developed from Wikipedia pages originally:


 * Astrobiology
 * Microtonal
 * Encyclopedia of Buddhism - set up by Dorje108 with me as co-admin.

See also, my science blog post here:


 * Why It's Easy To Improve On Wikipedia In Specialist Encyclopedias (Ours Are For Astrobiology, Microtonal Music, And Buddhism)

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