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https://video.pbs.org/widget/partnerplayer/3009403740/?player=WGBY-PBS&w=512&h=288&chapterbar=true&autoplay=false How courage and ingenuity saved Allied troops during the epic Dunkirk operation in 1940. /episodes/get/59692 /episode/59692 S45 Ep5: Great Escape at Dunkirk /episode-player/59692

Join archaeologists and divers recovering remains of ships and planes lost during World War II's epic Dunkirk operation. Discover new evidence of the ingenious technology that helped save Allied forces from defeat by the encircling Germans.

Air date:
Wed, 01/24/2018 - 12:00
Expired

How did early engineers carve tombs into rock cliffs and funnel water to this desert city?

Air date:
Wed, 01/24/2018 - 03:40
Expired

How has this unique structure, built on a seismic fault, survived centuries of quakes?

Air date:
Wed, 01/17/2018 - 03:40
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//player.pbs.org/partnerplayer/SUMhfAdAoxLpLOlZxIPQVw==/?topbar=false&end=0&endscreen=true&start=0&autoplay=false Black holes are the most enigmatic and exotic objects in the universe. They’re also the most powerful, with gravity so strong it can actually trap light. And they’re destructive. Anything that falls into them vanishes…gone forever. But now, astrophysicists are realizing that black holes may be... /episodes/get/93565 /episode/93565 Black Hole Apocalypse /episode-player/93565

Take a mind-blowing voyage to the most powerful and mysterious objects in the universe.

Air date:
Wed, 01/10/2018 - 03:45
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https://video.pbs.org/widget/partnerplayer/3008829324/?player=WGBY-PBS&w=512&h=288&chapterbar=true&autoplay=false For the first time, two intrepid pilots fly a solar-powered airplane around the world. /episodes/get/59385 /episode/59385 S45 Ep3: The Impossible Flight /episode-player/59385

Follow two intrepid pilots as they take on the greatest aviation adventure of our time, overcoming countless challenges as they construct and fly the first solar-powered airplane around the world.

Air date:
Wed, 01/03/2018 - 12:00
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https://video.pbs.org/widget/partnerplayer/3009095086/?player=WGBY-PBS&w=512&h=288&chapterbar=true&autoplay=false Discover remains of a 13,000 year-old teenager in an underwater cave in Mexico. /episodes/get/59555 /episode/59555 S45 Ep4: First Face of America /episode-player/59555

Take a risky dive into an underwater cave in Mexico to uncover the 13, 000 year-old skeleton of a prehistoric teenager. Follow forensic clues that reveal intimate details of her life and death, and how her people first ventured into North America.

Air date:
Wed, 01/03/2018 - 12:00
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