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 | Hagia Sophia: Istanbul’s Ancient Mystery

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Watch Sunday, May 22, 2016 at 11am on WMHT TV | Examine Hagia Sophia’s seismic secrets, which have insured its survival through a dozen earthquakes.

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Nature | Jungle Animal Hospital

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Watch Wednesday, May 18, 2016 at 8pm on WMHT TV | Witness the day-to-day drama at one of the world’s wildest hospitals deep in the Guatemalan jungle.

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NATURE | Nature's Perfect Partners

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Watch Wednesday, May 11 at 8pm & Sunday, May 15, 2016 at 10am on WMHT TV | Learn the value of teamwork among animal partners, even ones as odd but perfect as hippo and fish.

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NOVA | Deadliest Earthquakes

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Watch Wednesday, June 15, 2016 at 9pm | Follow investigations that may lead to a breakthrough in predicting earthquakes.

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Ride the Tiger

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Watch Wednesday, April 13, 2016 at 10pm on WMHT TV | Explore the bipolar brain’s biology and chemistry to learn if we can pre-empt or fix the disorder.

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NOVA | Can Alzheimer's Be Stopped?

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Watch Wednesday, April 13 at 9pm and Sunday, April 17, 2016 at 11am on WMHT TV | Join investigators as they untangle the cause of Alzheimer’s and race to develop a cure.

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Nature | India's Wandering Lions

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Watch Wednesday, April 13 2016 at 8pm on WMHT TV | Witness the incredible story between Asia’s last wild lions and the villagers of India.

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Genius by Stephen Hawking

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Watch Wednesdays at 9pm and 10pm, May 18 -June 1, 2016 on WMHT TV | Through the use of large-scale experiments and remarkable demonstrations, the program decodes the mysteries of evolutionary biology, astrophysics and quantum mechanics.

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Shakespeare’s Tomb

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Watch Tuesday, April 19, 2016 at 9pm on WMHT TV | Join the first-ever scientific investigation of Shakespeare’s grave.

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NOVA | Vikings Unearthed

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Watch Wednesday, April 6, 2016 at 9pm on WMHT TV | Search for the truth behind the legends of the Vikings and their epic journey to the Americas.

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

PBS Nature News

Roving Gang of Sea Snakes and Fish Terrorize Reef

Lethal sea kraits (snakes) are too slow to catch fish in a straight chase. Fortunately, they have partners in crime shoals of yellow goatfish and trevally who seek...

How Do Hippos Get Clean?

When it comes to skin care, hippos need a little help. Unable to pick up a stick and scratch their own backs, they’ve gone into partnership with a fish called the...

NOVA scienceNOW News

Five Reasons to Eat Insects

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