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Watch previews, scenes and cast interviews from some of your favorite NOVA programs. If you cannot find what you are looking for, please try our video player.

NOVA Programs

NOVA | Life's Rocky Start

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Watch Wednesday, January 13 at 9pm & Sunday, January 17, 2016 at 11am on WMHT TV | Discover how the rocks beneath our feet were essential to jump-starting life on earth.

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NOVA | Secret Tunnel Warfare

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Watch Wednesday, January 6 at 8pm & Sunday, January 10, 2016 at 11am on WMHT TV | Join archaeologists who reveal traces of WWI’s most devastating, ultra-secret tunneling operation.

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NOVA | Building the Great Cathedrals

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Watch Wednesday, December 23 at 9pm & December 27, 2015 at 11am on WMHT TV. | Learn how medieval builders raised Gothic cathedrals to such spectacular heights.

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NOVA | Roman Catacomb Mystery

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Watch Sunday, August 7, 2016 at 10am on WMHT-TV | Beneath the streets of Rome lies an ancient city of the dead known as the catacombs — a labyrinth of tunnels, hundreds of miles long — a cemetery for the citizens of ancient Rome.

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NOVA | Inside Einstein's Mind

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Watch Wednesday, November 25, 2015 at 9pm on WMHT TV | Retrace Einstein’s thought experiments to discover how he reshaped our understanding of gravity.

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NOVA | Animal Mummies

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Watch Wednesday, October 28 at 9pm, Encore Sunday, November 1, 2015 at 11am on WMHT TV | Inspect hi-tech images that reveal the strange role animal mummies played in ancient Egyptian beliefs.

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NOVA | Sinkholes: Buried Alive

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Watch Wednesday, October 21, 2015 at 9pm on WMHT TV | Investigate what it’s like to have your world vanish beneath your feet.

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NOVA | Secrets of Noah's Ark

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Watch Wednesday, October 7, 2015 at 9pm on WMHT TV | In 1948, a British pilot serving in Iraq acquired a clay tablet with an intriguing, 3,700 year-old inscription.

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NOVA | CyberWar

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Watch Wednesday, October 14, 2015 at 9pm on WMHT TV | NOVA pulls back the curtain on a top-secret world to examine a chilling new reality of global cyber warfare.

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NOVA | Arctic Ghost Ship

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Unravel the greatest mystery in Arctic exploration: the fate of the Franklin Expedition.

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Phylogenetic trees can tell us where medical problems come from, and how to fight them.

PBS Nature News

Secret of the Hummingbird’s Tongue

Instead of drinking through a straw-like structure as many insects do, hummingbirds use their tongues to lap up nectar. In just a second or so, a hummer can drink up...

Full Episode

Among the most ancient of animals, rhinoceroses thrived for millions of years before meeting their most deadly enemy: humans. During the past century, the rhinos of...

NOVA scienceNOW News

Five Reasons to Eat Insects

Save room for bugs! They're the future of green cuisine.