Watch NOVAs
The following NOVA programs are available to watch online, divided conveniently into chapters and closed captioned for deaf and hard-of-hearing viewers. If you experience difficulty viewing, it may be due to high
demand. We regret this, and suggest you try back at another time. Note that most NOVA programs are not available for downloading due to rights restrictions.
 | Asteroid (Oct. 2006)
Will a doomsday rock the size of the Rose Bowl hit Earth in 2036? Watch now (12 mins.) | |
 | Hurricane Katrina (Oct. 2005)
Scientists' warnings proved sadly prescient about New Orleans' risk from hurricanes. Watch now (4 mins.) | |
 | Hurricanes (Jan. 2005)
Predicting a hurricane's intensity is notoriously difficult, but new tools may make it easier. Watch now (12 mins.) | |
 | Mass Extinction (Nov. 2006)
What caused the mother of all extinctions 250 million years ago? Watch now (13 mins.) | |
 | The Spy Factory (Feb. 2009)
Examine the high-tech eavesdropping carried out by the National Security Agency and the pitfalls of surveillance in an age of terrorism. Watch now (50 mins.) | |
 | Storm That Drowned a City (Nov. 2005)
Experts and eyewitnesses reconstruct the devastating floods that Hurricane Katrina unleashed on New Orleans. Watch now (49 mins.) | |
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Created July 2008
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