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Random Tusks

Love Notes: Wittke and van Hoesel in PNAS

Cosmic impact or natural fires at the Allerød–Younger Dryas boundary: A matter of dating and calibration Annelies van Hoesel,a,b,1 Wim Z. Hoek,b Johannes van der Plicht,c,dGillian M. Pennock,a and Martyn R. Drurya Author information ► Copyright and License information ► See the reply “Reply to van Hoesel et al.: Impact-related Younger Dryas boundary nanodiamonds from The…
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Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question

Random Tusks

In desperate hole, Pinter grabs another shovel

Nicholas Pinter In a recent interview with NBC News anti-YDB jihadi Nick Pinter claimed that “the pro-impact literature is, at this point, fringe science being promoted by a single journal.” This is nonsense — and easily disproven. The critics of the YDB hypothesis have published 10 times in PNAS (see #1 below), whereas the YDB proponents have published only 8 times (see #2…
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Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question

Random Tusks

NatGeo actually calls Wally Broecker to discuss evidence for cosmic impact at Younger Dryas start

NatGeo 2007 NatGeo 2008 NatGeo 2013 Did a Comet Really Kill the Mammoths 12,900 Years Ago? Did the planetary upheaval 12,900 years ago come from the heavens—or Earth? Robert Kunzig National Geographic Published September 10, 2013 Why did mammoths, mastodons, and other mega-beasts vanish from North America? Was it because: 1) humans killed them; 2) they couldn’t hack the climate after the…
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Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question

Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question

Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question

Random Tusks

Nanodiamonds re-confirmed at YDB

Tip of the Hat: Thomas Lee Ellifritz Nanodiamond Quantification in Pre-Younger Dryas to Recent Age Deposits Along Bull Creek, Oklahoma, USA Leland C. Bement, Andrew S. Madden, Brian J. Carter, Alexander Simms, Andrew L. Swindle, Hanna M. Alexander, Scott Fine, and Mourad Benamara, Geological Society of America 125th Anniversayr Annual Meeting, 27-30 October 2013, Denver, Colorado, USA…
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Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question

Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question

Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question

Random Tusks

Two Ivies in two months confirm YD impact: Pinter of Southern Illinois - Carbondale to NBC: "Fringe science," questions integrity of National Academy of Sciences

A meteor or comet impact near Quebec heaved a rain of hot melted rock along North America’s Atlantic Coast about 12,900 years ago, a new study claims. Scientists have traced the geochemical signature of the BB-sized spherules that rained down back to their source, the 1.5-billion-year-old Quebecia terrane in northeastern Canada near the Gulf of Saint Lawrence. At the time of the impact, the…
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Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question

Random Tusks

RIP: YDB team member Paul DeCarli

  I was sad to see a forwarded note last week from the daughter of Paul DeCarli informing folks of his passing. Paul DeCarli joined the YDB team in recent years as an expert in nanodiamond formation and other high energy matters related to our investigation. Readers may remember a post on DeCarli here. A wag once remarked that science advances one funeral at a time. In cynical moments it seems…
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Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question