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Deep in an Australian cave, paleontologists discover fossils of extinct giant animals.
In remote mountains of China, experts find clues to the origins of Earth's most stunning plants.
Against all odds, African-American chemist Percy Julian became one of the great scientists of the 20th century.
The Great Inca Rebellion
Mass graves and forensic evidence reveal a complex truth about how the Inca Empire fell.
Ghost in Your Genes
Experts investigate how a mysterious "second genome" helps determine our biological fates.
Judgment Day: Intelligent Design on Trial
Science is 'Exhibit A' in a landmark trial on the teaching of evolution.
Kings of Camouflage
Meet the cuttlefish, one of the brainiest, most bizarre animals in the ocean.
The Last Great Ape
An expedition into the Congo examines one of our closest living relatives, the peace-loving bonobo.
Explore what it takes—physically and mentally—for novice runners to make it through a classic test of endurance.
Master of the Killer Ants
The Mofu people of Cameroon rely on an unlikely ally—a driver ant—to protect their homes and crops.
Missing in MiG Alley
What happened to American pilots shot down over Korea half a century ago?
NOVA scienceNOW: January 9, 2007
The January 9 broadcast looks at attempts to build a space elevator, how we age, a new technique for finding Maya ruins, and a profile of biologist Bonnie Bassler.
July 10, 2007 (NOVA scienceNOW)
Find out why you shouldn't shortchange sleep, look inside the biggest atom smasher ever, examine the strange phenomenon of emergence, and see a profile of archeologist Julie Schablitsky.
July 24, 2007 (NOVA scienceNOW)
Learn how our lifestyles can change the way our genes work, examine a yet-to-be-broken code on a sculpture called Kryptos, see preserved dinosaur blood vessels, and meet cosmologist Arlie Petters.
Archeologists uncover the reality behind a great American myth.
Saved by the Sun
Is it time to take solar energy seriously?
Secrets of the Samurai Sword
Examine the thousand-year-old art and science behind the making of a Japanese warrior's key weapon.
Top-secret documents rewrite the history of the famous satellite and the early space race.