Comprehensive analysis of impact spherules supports theory of cosmic impact 12,800 years ago

Santa Barbara CA (SPX) May 27, 2013
About 12,800 years ago when the Earth was warming and emerging from the last ice age, a dramatic and anomalous event occurred that abruptly reversed climatic conditions back to near-glacial state. According to James Kennett, UC Santa Barbara emeritus professor in earth sciences, this climate switch fundamentally - and remarkably - occurred in only one year, heralding the onset of the Younger Dryas cool episode. [Read more] ...