A series of publications purport to provide evidence that the Earth was subjected to an
extraterrestrial event or events at∼ 12.9 ka creating an environmental cataclysm and the …

Abstract Firestone et al., 2007, PNAS 104 (41): 16,016–16,021, proposed that a major
cosmic impact, circa 10,835 cal. BCE, triggered the Younger Dryas (YD) climate shift along …

The progress of science has sometimes been unjustifiably delayed by the premature
rejection of a hypothesis for which substantial evidence existed and which later achieved …

Abstract The South American Pleistocene–Holocene transition has been characterized by
drastic climatic and diversity changes. These rapid changes induced one of the largest and …

Sediment sequences spanning the 12,800-year-old lower Younger Dryas boundary (YDB)
were investigated at three widely separated sites in eastern North America (Parsons Island …

Paleosol evidence supporting the Younger Dryas Impact Hypothesis (YDIH) on the Viso
Massif of France and Italy is expanded by a Pt anomaly at all sites investigated …

Abstract The Younger Dryas (YD) cosmic impact hypothesis is gaining support due to the
increasing amount of proxy evidence from 26 Younger Dryas Boundary sites that includes …

The presence of microtektites, indicative of a single short-lived event, may be a useful tool
for constraining the timing of barren and monotonous beds thereby enabling more accurate …

Apostolova, Krassimira.“Palaeogeographic Conditions in the Black Sea Area During the
Neolithic and Chalcolithic Age.” Geoarchaeology and Archaeomineralogy, edited by RI Kostov …

This article was written over a period of~ 19 months, during which time there have been
several developments in the YDIH. In the most significant development, the central group of …