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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.

Science Nature & Tech Programs

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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Nature | Hummingbirgs: Magic in the Air

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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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Life in Cold Blood

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Thursdays, April 25 - May 23, 2013 at 10pm | Sir David Attenborough tells the story of reptiles and amphibians – the most enduringly successful animals ever to walk on land.

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NOVA | Deadliest Tornadoes

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Wednesday, May 29, 2013 at 9pm | In the wake of tornado outbreaks, learn how we can protect ourselves and our communities.

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NOVA | Decoding Neanderthals

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Wednesday, May 15, 2013 at 9pm | Find out what happened when the first modern humans encountered Neanderthals 60,000 years ago.

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NOVA | Venom: Nature's Killer

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Wednesday, May 8, 2013 at 9pm | Find out how nature’s deadliest cocktails could be medicine’s brightest new hope.

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Nature | The White Lions

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Wednesday, May 22, 2013 at 8pm | Follow two rare white lion cubs on their journey to adulthood on the South African savanna.

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

PBS Nature News

Shark Avoids Death by Walking to Safety

The epaulette sharks small size allows it to thrive in shallow coral reefs. But when the tide rolls out it can be left high and dry. To avoid baking in the hot  sun...

Peacock Spider Performs Colorful Dance to Attract Mate

The male peacock jumping spider must dance for his life.  In order to woo a female and avoid being eaten, he performs an intricate dance using a brilliantly colored...

NOVA scienceNOW News

Five Reasons to Eat Insects

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