Aired
March 31, 2009
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.
Episode 14 of Season 36 from NOVA — available to stream in HD on any device.
Join the conversation
Sign in to leave a comment
No comments yet
Be the first to share your thoughts!
Recommended
Hulk Hogan: Real American
Killing Grounds: The Gilgo Beach Murders
The Last Shot
Dan Snow’s Great Egyptian Adventure
Mexico Untamed
4x20: Quick Hits
My Killer Father: The Green Hollow Murders
Cruising to the Ends of the Earth
Should I Marry A Murderer?
Expedition Bigfoot
Search for movies, TV shows, collections, manga, or people
Trending Now