Random Tusks

Broecker to Kunzig: This Deal is Real

Readers will recall the awkwardly titled September post, “NatGeo actually calls Wally Broecker to discuss evidence for cosmic impact at Younger Dryas start.” The Tusk was trying to convey there my astonishment that a thoughtful and thorough article was written on recent advances in the study of the Younger Dryas Boundary. Only later, with very little digging, did I realize this was…
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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

Random Tusks

But seriously, folks: Harvard bangs a big fat Platinum nail in YDB critic coffin

BBC The Mail  Phys.org Crickets Stein B. Jacobsen? and here and here Program Note: More recent posts can be found below Large Pt anomaly in the Greenland ice core points to a cataclysm at the onset of Younger Dryas The impact hypothesis (11), once declared dead (12, 13), recently gained new support from the discovery of siliceous scoria-like objects (SLOs) with global distribution, which…
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Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question