Paleolithic Extinctions and the Taurid Complex (2010) Centaurs as a Hazard to Civilization (2015) Excerpted from Wolbach et. al (2018)   Astronomical Hypothesis for the YDB Impact Event Regarding the probability of a swarm of cometary fragments hitting the Earth, Boslough et al. (2013) claimed that the YDB event is “statistically and physically impossible,” whereas Napier […]

The History Channel episode below and other great videos about our subject are available on the Tusk TV Playlist.

This week Rick Firestone shared a little known 2009 paper with the Tusk and some others. I was unaware of it and enjoyed reading it. The authors find a unique spike in fire at Akgol, Turkey ~13,000 years ago which they attribute to a horrendous inferno in a marsh, of all places. They cite Firestone […]

Did the Black-Mat Impact/Airburst Reach the Antarctic? Evidence from New Mountain Near the Taylor Glacier in the Dry Valley Mountains Journal of Geology, March 15, 2018 Detailed microscopic investigations of horizons in a surface paleosol, part of a pedostratigraphic stack of tills at New Mountain, Antarctica, dated to the middle Miocene climatic optimum event (ca. […]

Hear the British Library interview Dr. Baillie Jonny McAneney’s Tusk comment on his collaborator Mike Baillie’s paper: This is an important paper, but it is equally important to point out that scientific understanding has moved on in the decade or so since this was published. I have posted before on this site about the corrections […]

Papers #1 and #2 and Supplementary Materials Quick take at skeptic site NeuroLogica Tallboy – Widespread Panic (1997) The Tusk inaugurates our new look here by posting the most important paper in the peer-reviewed canon of the Comet Research Group since the original PNAS publication in 2007. It is truly a new day at the […]

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Bill Napier sent the Tusk a note regarding Joe Rogan’s unforgettable debate-style podcast on the Younger Dryas Boundary Hypothesis. Bill’s message is posted below my rant here. His informed correction of Marc Defant’s self-styled skeptical authority on comets is priceless and instructive. A cultural genre of all-purpose professional “skeptics,” like Defant and Shermer, have emerged since […]