First Harvard, now Dartmouth: More independent evidence for Younger Dryas impact

Vox Clamantis

September 9th, 2013 | Tags: , , , , , , , , , | Category: Great papers, impact markers, PNAS, Younger Dryas Boundary: ET or Not? | 108 comments

Mahaney 2013

The breakup in space of a comet or asteroid prior to impact could produce a surface or oceanic impact by the largest object, and hundreds of smaller fragments could create air-bursts affecting an entire hemisphere (Bunch et al. 2012). Approximately 90% of all ejecta from the main impact would fall within five crater radii, although […]

Extraordinary Evidence and Inexplicable Ignorance: Bunch (2012) and The Bos (2013)




It is telling to read competing journal articles regarding the Younger Dryas Boundary Event. For example below is the recent paper from The Bos, et al., and below that a publication from the YDB team the year before. (I was added as an author to […]

Rise of the Zombie: Harvard Discovers Evidence for Major Earth Impact at Younger Dryas Initiation (~12,875 BP)


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 […]