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WE'RE BACK!

October 2025 lilbrary presentations return for another season of lively multi-media presentatioins on "ghost hunting" with from a skeptical viewpoint, including high-tech pseudoscience, skeptical inquiry, critical and thinking pitfalls like cognitive biases. Free admission and open to the pubic. Note: Portions of this presentation may not be suitable for very young audiences.

When and where?

Oct. 21, 6-8pm

Kensington Branch Library

4121 Adams Ave, San Diego, CA 92116

Oct. 28, 5:30-7:30pm

Paradise Hills Branch Library

5922 Rancho Hills Dr, San Diego, CA 92139

honoring the heroes of

skeptical inquiry

Controls: Just as scientists and researchers attempt to put parameters on their experiments in order to limit such factors as margin of error and unreliability, PPI investigators will exact such controls on the environment of the investigation so that our analysis will lead to more reliable results. Controls may be as simple as limiting the number of individuals within the venue, to more sophisticated matters such as triangulation of audio sources. Controls are considered an essential feature to any application of the Scientific Method.

click for team bios

Residual Haunts

In "Residual Haunts: Why Is This Happening Again & Again?" Tim Mountain reviews the basics of a certain classification of paranormal activity: the recurrent haint, also known as a residual haunting,

PPI Podcast #12: Halloween Night (2011)

We join members of Pacific Paranormal Investigations during a fireside chat on Halloween Night. Karl Sherlock, Brian Miller, Debra Page and Larry Page discuss the origin of Jack-O-Lanterns, animal ghosts and the state of paranormal reality television in a casual and spontaneous conversation.

Recorded: October 31, 2011

Length: 00:22:53