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Watch previews, scenes and cast interviews from some of your favorite PBS Science, Nature and Technology programs. If you cannot find what you are looking for, please try our video player. Click on any of the following programs to watch their respective previews.

Nature
NOVA

Science Nature & Tech Programs

NOVA | 3D Spies of WWII

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Watch Wednesday, July 24, 2013 at 9pm | Discover the previously untold story of air photo intelligence that played a vital role in defeating Hitler.

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Nature | Siberian Tiger Quest

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Watch Wednesday, July 24, 2013 at 8pm | Embark with conservation ecologist Chris Morgan on a great challenge: to find and film the Siberian tiger.

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Lonesome George and the Battle for the Galapagos

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Watch Wednesday, July 17, 2013 at 8pm | Documentary about Lonesome George, officially the loneliest animal on the planet until his death in June 2012.

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FRONTLINE | The Real CSI

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Watch Tuesday, July 16, 2013 at 10pm| Find out how the field of forensics, with few uniform standards and unproven science, can undermine the search for justice.

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NOVA | Dogs Decoded

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Watch Wednesday, July 3, 2013 at 9pm | Decipher genetic information that illuminates the origin of dogs — with implications for human culture.

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NOVA | Earth From Space

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Watch Wednesday, June 26, 2013 at 9pm | Witness a groundbreaking special that reveals a spectacular new space-based vision of Earth.

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Nature | Invasion of the Giant Pythons

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Watch Wednesday, June 19, 2013 at 8pm | Predatory pythons have thrived in the protected wilderness of Everglades National Park

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NOVA | Manhunt: Boston Bombers

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Watch Wednesday, May 29, 2013 at 9pm | Examine how modern technology and old-fashioned detective work found the suspects responsible for two bomb blasts that went off at 117th Boston Marathon finish line.

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Nature | Hummingbirgs: Magic in the Air

Posted by WMHT Web Editor

Wednesday, May 29, 2013 at 7:30pm | High-definition, high-speed footage of hummingbirds in the wild helps viewers to understand the world of hummingbirds as never before.

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Nature | The Great Zebra Exodus

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Wednesday, May 15, 2013 at 8pm | Accompany 20,000 zebras on their annual migration across the Kalahari.

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Can scientists unravel the mysterious phenomena that lurk between Earth and space?

NOVA scienceNOW News

Five Reasons to Eat Insects Five Reasons to Eat Insects
Save room for bugs! They're the future of green cuisine.
Profile: Shaundra Daily Profile: Shaundra Daily
This software engineer and dancer found her groove teaching children about their emotional lives.
Nature follows one of the most fearless animals in the world: the honey badger.

PBS Nature News

A Sloth Named Velcro: About A Sloth Named Velcro: About
Please view the original post to see the video. In 2000 in the jungles of Panama, a young journalist, named Ana, has a chance encounter with a tiny orphaned sloth, whi...
A Sloth Named Velcro: Baby Pygmy Sloth Clings to Mom A Sloth Named Velcro: Baby Pygmy Sloth Clings to Mom
Please view the original post to see the video. Journalist Ana Salceda searches for pygmy three-toed sloths (Bradypus pygmaeus) on Isla Escudo de Veraguas, a small isl...