The Younger Dryas Impact Hypothesis (YDIH) is a scientific proposal based on numerous findings that the onset of the “Younger Dryas” (YD) period at the end of the last glacial era around 12,800 years ago was the result of a complex set of cosmic and oceanic events. YDIH is an additional explanation for the hypothesis that YD was caused by “shutdown” of ocean currents, such as the “North Atlantic Conveyor”,...