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Great summary article by the principal YD Event researchers

Links below also found at the Lawrence Berkeley National Laboratory: http://ie.lbl.gov/mammoth/mammoth.html

  • New Insights Into Extraterrestrial Impacts, Younger Dryas Cooling, Mass Extinction, and the Clovis People AGU Joint Assembly, 22-25 May 2007, Acapulco, Mexico.
    Selected Posters and Abstracts
  • Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling
    R.B. Firestone, A. West, J.P. Kennett, L. Becker, T.E. Bunch, Zs. Revay, P.H. Schultz, T. Belgy, D.J. Kennett, J.M. Erlandson, O.J. Dickenson, A.C. Goodyear, R.S. Harris, G.A. Howard, J.B. Kloosterman, P. Lechler, P.A. Mayewski, J. Montgomery, R. Poreda, T. Darrah, S.S. Que Hee, A.R. Smith, A. Stich, W. Topping, J.H. Wittke, and W.S. Wolbach
    Proceedings of the National Academy of Sciences 104, pp 16016-16021 (2007)
    Abstract , Paper , Supporting information


  • Geological Society of America   Groundwork Debate
  • Micrometeorite Impacts in Beringian Mammoth Tusks and a Bison Skull
    Poster and Abstracts
    , High-resolution images


  • Terrestrial Evidence of a Nuclear Catastrophe in Paleoindian Times
    R.B. Firestone and W. Topping, Mammoth Trumpet 16, pp 9-16 (2002)
    Paper , Supplemental information


    Richard B. Firestone, e-mail: rbf@lbl.gov
    Ernest O. Lawrence Berkeley National Laboratory
    MailStop 88-R0192
    1 Cyclotron Road
    Berkeley, CA 94720
    Phone: 510-486-7646
    Fax: 510-486-5757

    A few YD articles as posted and discussed on Free Republic, an early follower of this story:

    Supernova Storm Wiped Out Mammoths?
    Discovery News | 09/28/05 | Jennifer Viegas
    Posted on 10/05/2005 2:47:27 AM EDT by planetesimal

    Supernova Storm Wiped Out Mammoths?
    Discovery News | Sept. 28, 2005 | Jennifer Viegas
    Posted on 10/17/2005 11:57:32 AM EDT by Fzob

    Terrestrial Evidence of a Nuclear Catastrophe in Paleoindian Times
    Mammoth Trumpet | March 2001 | Firestone/Topping
    Posted on 07/24/2006 3:03:03 AM EDT by ForGodísSake

    Did comet start deadly cold snap?
    Canada.com | Monday, May 14, 2007 | Margaret Munro
    Posted on 05/16/2007 6:00:33 PM EDT by Mike Darancette

    Diamonds tell tale of comet that killed off the cavemen
    Guardian | 5-20-07 | Robin McKie
    Posted on 05/20/2007 7:50:33 PM EDT by Renfield

    Catastrophic Comet Chilled and Killed Ice Age Beasts (and Clovis people)
    Live Science | 05/21/07 | Jeanna Bryner
    Posted on 05/22/2007 1:16:48 AM EDT by TigerLikesRooster

    Oregon Researchers Involved In New Clovis-Age Impact Theory (More)
    Eureka Alert
    Posted on 05/23/2007 5:30:19 PM EDT by blam

    Comet May Have Doomed Mammoths
    Red Orbit | 5-26-07 | Betsy Mason
    Posted on 05/26/2007 9:12:53 AM EDT by Renfield

    Ice Age Ends Smashingly: Did A Comet Blow Up Over Eastern Canada? (More) (Carolina Bays)
    Science News | 6-1-2007 | Sid Perkins
    Posted on 06/02/2007 6:14:23 PM EDT by blam

    Climate alarmists lose another piece of evidence
    enterstageright | 6/11/2007 | Dennis T. Avery
    Posted on 06/11/2007 1:11:38 PM EDT by Neville72

    Comet Theory Collides With Clovis Research,
    May Explain Disappearance of Ancient People
    University of South Carolina(USC News) | June 28, 2007 | Staff
    Posted on 08/04/2007 2:29:34 AM EDT by ForGodísSake

    NSF Press Release:
    Comet May Have Exploded Over North America 13,000 Years Ago
    National Science Foundation Press Release | August 14, 2007 | Cheryl Dybas, NSF
    Posted on 08/15/2007 8:32:04 PM EDT by baynut

    Research Team Says Extraterrestrial Impact To Blame For Ice Age Extinctions (More)
    Eureka Alert | Northern Arizona University - Lisa Nelson
    Posted on 09/25/2007 3:58:19 PM EDT by blam

    Cosmic blast may have killed off megafauna
    Scientists say early humans doomed, too
    Boston Globe | September 27, 2007 | Colin Nickerson
    Posted on 09/25/2007 9:45:11 PM EDT by baynut

    Cosmic blast may have killed off megafauna
    Scientists say early humans doomed, too
    Boston Globe | September 25, 2007 | Colin Nickerson
    Posted on 09/26/2007 9:11:48 AM EDT by baynut

    Evidence for an extraterrestrial impact 12,900 years ago
    Proceedings of the National Academy of Sciences
    October 9, 2007, Vol. 104 | September 27, 2007 | R. B. Firestone, et. al.
    Posted on 09/30/2007 1:14:28 PM EDT by baynut

    The End of Eden: The Comet That Changed Civilization
    amazon | Oct. 8, 2007
    Posted on 10/09/2007 2:47:23 AM EDT by doug from upland




    North Carolina Antique Map Gallery


    Its Spring and

    that means



    John Lawson's Trek Through the Carolinas 

    In 1709 



    The News & Observer


    An Op-Ed I recently wrote



    Archibald D. Murphy

    And the improvement of North Carolina in 1815


    Penguins and Parrots in North Carolina?


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