. . . you can watch 39 different PBS NOVA videos for free online.
When you get to the site you'll see a brief introduction and the most recently added programs are featured on the page. Look on the right side of the screen to see a menu of topics covered by these films including:
*Anthropology - Watch films about Israel's Cave of Letters, Ape Genius, and the Lost Treasures of Tibet.
*Disasters - Learn about doomsday Asteroids and Mass Extinction, and the devastating floods of Hurricane Katrina.
*Earth - Explore Sand Dunes, Glaciers, Hurricanes, Lightning, etc.
*Exploration - Crack the Maya Code and find out if MARS is Dead or Alive.
*Flight - Discover the remains of Four-Winged Dinosaurs and find out what's Missing in MiG Alley.
*Health - Get information about the Flu, Aging, Animal Hospitals, Cancer, the Human Genome, Eating Disorders, Epigenetics, Life's Greatest Miracle, Marathon Running, RNAi, Sleep, Stem Cells, and more.
*History - Enjoy the story behind Absolute Zero, Papyrus from ancient Egypt, the Parthenon, and Sputnik.
*Investigations - Meet an archeologist who is helping to rewrite the history of the Old West.
*Nature - Learn about Fish Surgery, Frozen Frogs, Ants, and T.Rex.
*Physics and Math - Watch films about robot swarms, a particle accelerator, coded sculpture, string theory and more.
*Space - Find out about Hollywood aliens, the Monster of the Milky Way, and the 10th Planet.
*Technology - View films about Artificial Life, Cars of the Future, Fuel Cells, Robots, Lab Meat, Solar Energy and more.
Click on any film of interest and a new page opens.
The films are divided into chapters or segments for ease of viewing.
Some of the video pages link to further resources, teacher's guides, transcripts of the films, and more.