magnetic sperules

Unfiltered: Surovell - Holliday in PNAS, 2009

To a great degree the Tusk itself was a response to my frustration with Todd Surovell and Vance Holliday’s botched 2009 PNAS journal article, “An independent evaluation of the Younger Dryas extraterrestrial impact hypothesis,” published three months before this blog began. Despite my early understanding of the sloppy work of the authors, however, I did […]

George Howard 27 Comments 6 min read Continue reading

PNAS: New evidence from Central Mexico supporting the Younger Dryas extraterrestrial impact hypothesis

  NOTE:  This post will be “stuck” to the top of the page for the time being. Related new material such as news articles and observations will be blogged subsequent to this post but will appear below. The old “Drudge Siren” is getting quite a 1st quarter work out. And from what I hear it […]

George Howard 25 Comments 4 min read Continue reading

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