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Exploring abrupt climate change induced by comets and asteroids during human history

An Astronomical Hypothesis for the Younger Dryas Impact Event

Ignored by Boslough

March 28, 2018

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 […]

TUSK TV

Prehistoric Megastorms - Comet Swarms (2015)

March 24, 2018

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

Black Mat in Turkey

Asia

March 23, 2018

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 […]

Cosmic Black Mat found on 5th continent

Antarctica

March 20, 2018

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. […]

Oldie but Goodie

Dendrochronologist Mike Baillie on impacts more recent than Younger Dryas

February 28, 2018

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 […]

Burn Paper

A new day at the Cosmic Tusk

February 2, 2018

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 […]

The Black Death and Abrupt Earth Changes

September 4, 2017

Download the PDF file .

Temple Trauma

Tepe Telegram sneers at Sweatman and Tsikritsis; ignores probabilities; S&T respond

July 15, 2017
Open Letter: Napier on Defant and the Joe Rogan podcast

June 25, 2017

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 […]


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