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.
 | Booming Sands (Jan. 2005)
Scientists look into a generations-old conundrum: how and why do certain sand dunes produce mysterious noises? Watch now (7 mins.) | |
 | Fastest Glacier (July 2005)
A glacier moving way too fast reveals how unpredictable the effects of global warming can be. Watch now (7 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.) | |
 | Lightning (Oct. 2005)
Experts still aren't sure what triggers it, but they suspect cosmic rays from outer space. Watch now (9 mins.) | |
 | Mass Extinction (Nov. 2006)
What caused the mother of all extinctions 250 million years ago? Watch now (13 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.) | |
 | Stronger Hurricanes (Jan. 2006)
Is global warming making hurricanes more intense? Watch now (6 mins.) | |
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Created July 2008
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