by Mike Adams, Natural News:

In an interview with Dr. Malcolm LeCompte of the Comet Research Group, I pledged microscopy and ICP-MS (mass spec) instrument time to the comet researchers to help them analyze the physical evidence left behind by the cataclysm believed to have taken place around 12,800 years ago in an event called the Younger Dryas Boundary impact.

An excellent overview of this event and the subsequent effects that altered the history of Earth and human civilization is found at this link: