Sagan's Toolkit: Weird Science, Pseudoscience, and Skepticism (Thomas Holtz) @NCASVideo

Uploaded June 2014 | Updated September 2026, 2 hours ago

Presented at BaltiCon, May 25, 2014. Dr. Thomas Holtz is a vertebrate paleontologist who teaches at the University of Maryland. In this talk, Dr. Holtz discusses the elements that make up Carl Sagan's Baloney Detection Kit from Sagan's book "The Demon Haunted World."

The views presented in this video are those of the speaker and do not necessarily reflect the views of the National Capital Area Skeptics.

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