NOVA
PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Season 36 · Episode 14 ·
Last Extinction
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.
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Episode 14 of season 36 of NOVA: “Last Extinction”. Aired 2009-03-31. Watch it online free on ZapFlix.