Update: As published in PNAS in July, 2013
“The [Younger Dryas Boundary] theory has reached zombie status,” said Professor Andrew Scott from the Department of Earth Sciences at Royal Holloway. “Whenever we are able to show flaws and think it is dead [!], it reappears with new, equally unsatisfactory, arguments. [...]
Newton’s Great Comet of 1680
Update: A couple of useful links and a popular article on the subject.
I just learned of the discovery of Comet ISON which has apparently electrified the astronomy world for months. What then caught my eye was a paper from David Eichler of Ben Gurion University published just [...]
The wisdom of crowds is comforting. Despite the near total news blackout of the recent developments related to our subject, readers have shot Anders Carlson’s 2010 free paper, What Caused the Younger Dryas Cold Event?, to the top of the Most Read articles in the journal Geology.
I am not surprised. This is an absolutely fascinating subject and [...]
Den Aengus Fort on the Tsunami Wracked Aran Islands offshore of Fanore Beach
6,000-year-old settlement poses tsunami mystery
By Andrew Hamilton
Wednesday, May 09, 2012
Archeologists have uncovered evidence of pre-farming people living in the Burren more than 6,000 years ago — one of the oldest habitations ever unearthed [...]
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At the end of the Pleistocene a Younger Dryas black mat was deposited on top of the Pleistocene sediments in many parts of North America. A study of the magnetic fraction (~10,900±50 B.P.) from the basal section of the black mat at Murray Springs, AZ revealed the [...]
A diagram of the ‘northern’ fireball drawn by graphic designer, David Sawell of Burpengary(about 7 km south of Caboolture) who saw the fireball travelling in a northwest direction. The characterof this fireball seems to be different from the western and southern fireballs.
Green Fireballs and Ball Lightning
Click here for full paper and other info
Green fireballs that streaked across the sky and rolled down an Australian mountainside four years ago, spurring reports of UFOs in the area, might have been meteors and ball lightning, a researcher suggests.
At least three traffic-light green fireballs brighter than the moon but not as bright [...]