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November 3, 2025 90 mins

This episode: Dr. Stephen Bruehl joins All Things Unexplained for an exploration of:
* The science of UAP
* UAP patterns
* Statistical signatures of UAP
* Inside the POSS-I paper with Beatriz Villarroel
* The UAP-nuclear connection
* Optical transients

Stephen Bruehl, Ph.D., is a medical researcher whose background in science and statistics has recently led him into groundbreaking collaborations in the UAP field. Though fascinated by UAPs since childhood in the 1970s, Bruehl only formally entered the field in 2024, attending the Scientific Coalition for UAP Studies (SCU) conference. There, a presentation by Dr. Beatriz Villarroel sparked a research idea involving optical transients and historical UAP sightings. That idea led to a year-long collaboration and the recent release of their peer-reviewed paper: Some Transients in the Palomar Observatory Sky Survey (POSS-I) May Be Associated with Above-Ground Nuclear Testing and Reports of Unidentified Anomalous Phenomena.

Bruehl has also collaborated with Robert Powell and Sarah Little of SCU, applying cluster analysis to 216 carefully vetted UAP reports—research just accepted in a special UAP issue of World Futures. In this episode, Bruehl joins All Things Unexplained to discuss how traditional scientific tools—statistics, data modeling, and research methods—can bring new clarity to an old mystery.

Watch the full video with Dr. Bruehl: https://youtube.com/live/ex0Kbhm61sU

Subscribe to All Things Unexplained on YouTube: @allthingsunexplained

Links:
     Cluster Analysis of Features Associated with Unidentified Anomalous Phenomena Described in 216 Select Reports from 1947-2016 (Bruehl, Little, Powell): https://www.explorescu.org/post/cluster-analysis-of-features-associated-with-unidentified-anomalous-phenomena-described-in-216-selec
     Transients in the Palomar Observatory Sky
Survey (POSS-I) May Be Associated with Nuclear Testing and Reports of Unidentified Anomalous Phenomena (Bruehl, Villarroel): https://www.nature.com/articles/s41598-025-21620-3
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