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

Big Blue Live

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Coming August 31-September 2, 2015 at 8pm | A three-part LIVE television event showcasing marine life along America’s west coast.

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Earth: A New Wild | Oceans

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Sanjayan draws on his own ocean experiences to reveal a vibrant community of scientists, engineers and fishermen who are providing solutions that can help restore the oceans in astonishing ways.

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NOVA | Bigger Than T-Rex

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Watch Wednesday, September 2, 2015 at 9pm | Follow the paleontologists who are reconstructing a terrifying carnivore dubbed Spinosaurus.

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Nature | Siberian Tiger Quest

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Watch Wednesday, August 26, 2015 at 8pm | Embark with conservation ecologist Chris Morgan on a great challenge: to find and film the Siberian tiger.

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NOVA | Vaccines: Calling the Shots

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Watch Wednesday, August 28, 2015 at 9pm | Examine the science behind vaccinations, the return of preventable diseases and the risks of opting out.

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NOVA | Invisible Universe Revealed

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Watch Wednesday, August 12, 2015 at 9pm | Learn the story of the telescope that changed our understanding of the cosmos and our place in it.

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NOVA | The Mystery of Easter Island

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Watch Wednesday, August 5, 2015 at 10pm | See a fresh investigation of Easter Island, a remote speck that has mystified the world for centuries.

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NOVA | Secrets of the Viking Sword

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Watch Wednesday, August 5, 2015 at 9pm | Learn how Viking sword makers designed and built the Ulfberht sword, and uncover its role in history.

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NOVA | Nuclear Meltdown Disaster

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Watch Wednesday, July 29, 2015 at 9pm | Follow the minute-by-minute story of the Fukushima nuclear crisis and its aftermath.

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Uranium: Twisting the Dragon's Tail

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Watch July 28-29, 2015 at 10pm | Unlock the mysteries of uranium, one of the Earth’s most controversial elements.

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

PBS Nature News

About

Despite living in the wild in Botswana for 30 years, filming, researching and exploring the world they have come to know so well, award-winning filmmakers and...

Male Elephant Seals Battle Over Females

In a winner-take-all contest, a male elephant seals challenges a rival for access to his harem of females.The post Male Elephant Seals Battle Over Females appeared...

NOVA scienceNOW News

Five Reasons to Eat Insects

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