An examination over whether a comet struck the Great Lakes region 12,900 years ago, and whether it caused the extinction of such mega-creatures as the woolly mammoth and the saber-toothed cat in North America. Also included is the discovery of nano-diamonds which are created by heat and objects from space.
Genres: Documentary
Keywords: candid , dramatic , factual , inspirational , instructive , nature , latest-web-series-online , tv-shows-online