admin, Author at The Cosmic Tusk

September 11, 2010

Press Release: Daulton, Pinter and Scott publish finding NO diamonds in Younger Dryas Boundary layer

Impact hypothesis loses its sparkle Shock-synthesized diamonds said to prove a catastrophic impact killed off North American megafauna can’t be found Link to Press Release from the Washington University in St. Louis About 12,900 years ago, a sudden cold snap interrupted the gradual warming that had followed the last Ice Age. The cold lasted for the 1,300-year interval known as the Younger…

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September 2, 2010

AMQUA pic

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September 2, 2010

Program Note

Regular readers have surely noticed the annoying and unsightly formatting problems here at the Tusk. In particular, blogs which use “block quotes” of outside material are superimposing themselves on older blogs, rendering them both nearly unreadable. While surely embarrassing for me, please rest easy. Technical personnel have been alerted and we will have it repaired soon. This is…

2010

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September 1, 2010

Tusk Exclusive: Bunch makes brief comments on Daulton paper

Ted Bunch From an email from Bunch to Leroy Ellenberger: Dear Leroy – not to worry, Dalton is a competent scientist and did what he could do with the materials given to him. The problem lies with Scott and Pinter. Some brief reasons why the Dalton et al paper is inept: 1.They did not collect from the YDB layer at the Arlington site that was used in the two Kennett et al papers, but from layers…

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August 31, 2010

Journal of Glaciology: Discovery of nanodiamond rich layer in the Greenland ice sheet

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August 31, 2010

PNAS: No evidence of nanodiamonds in Younger Dryas sediments to support an impact event

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August 27, 2010

Ellenberger to NASA's Morrison: Gauntlet Thrown

Leroy Ellenberger Dave, As you probably know, the Sep/Oct Skeptical Inquirer (whose cover features Martin Gardner) contains letters by Clark Chapman and Paul Hilfinger, reacting to your May/Jun article on the claimed impact at the Younger Dryas boundary (also with a letter from Mark Bosslough commenting on his sidebar about scientists changing their minds, citing the recent example of Wallace…

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August 26, 2010

SENATOR NELSON ON BOARD FOR DEALING WITH POSSIBLE 2022 IMPACT HAZARD

Senator Bill Nelson (D-Florida) Sec.201 (b) UNITED STATES HUMAN SPACE FLIGHT CAPABILITIES.—Congress reaffirms the policy stated in section 501(a) of the National Aeronautics and Space Administration Authorization Act of 2005 (42 U.S.C. 16761(a)), that the United States shall maintain an uninterrupted capability for human space flight and operations in low-Earth orbit, and beyond, as an essential…

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August 26, 2010

New Paper: Greenland Ice sheet shows diamond rich layer at Younger Dryas Boundary

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August 23, 2010

Again, again, again and again: Jupiter hit far more often than NASA models predict

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Press Release: Daulton, Pinter and Scott publish finding NO diamonds in Younger Dryas Boundary layer

AMQUA pic

Program Note

Tusk Exclusive: Bunch makes brief comments on Daulton paper

Journal of Glaciology: Discovery of nanodiamond rich layer in the Greenland ice sheet

PNAS: No evidence of nanodiamonds in Younger Dryas sediments to support an impact event

Ellenberger to NASA's Morrison: Gauntlet Thrown

SENATOR NELSON ON BOARD FOR DEALING WITH POSSIBLE 2022 IMPACT HAZARD

New Paper: Greenland Ice sheet shows diamond rich layer at Younger Dryas Boundary

Again, again, again and again: Jupiter hit far more often than NASA models predict

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