U型潜艇是特指在第一次和第二次世界大战中，德国使用的潜艇。由于德国潜艇的编号都使用德文“Untersee-boot” 也就是“潜艇”的意思（英文为U-boat）的首字母U加数字命名。1945年一艘U-745纳粹潜艇失踪，舰长冰冻的尸体在一处岛屿被发现。近70年来，这艘潜艇的下落依然成谜。 如今经过十多年的辛苦研究和水下探索，一组芬兰潜水队终于解开了这个谜，而在过程中还破解了一个迷思，并发现了一种某些人宣称从未建造过的潜艇。

The 'Mighty Eighth Air Force' tilted the balance for the Allies during World War II. This is the story of how they did it, using rare archival footage and dramatic eye-witness accounts of the airmen and the commanders themselves.

A documentary-style look into how the Disney+ original series "High School Musical: The Musical - The Series" (2019) was created.

Taste is our most indulgent sense but it is only in recent years that we have started to understand why we really love the foods we do - and it is a lot more surprising than you might think. 　　There may a way to make food taste sweeter without adding any extra sugar and it is all down to a trick that happens in your brain. Horizon meets the scientist who has grown the perfect tom...

Dr Kevin Fong finds out how doctors can avoid making mistakes in the high-pressure, high-stakes world of the operating theatre. 　　He sets out to learn how other professionals make life and death decisions under pressure, from airline pilots facing emergencies, to the Fire Service dealing with lethal blazes, to the world of Formula One pit crews. Kevin discovers how all these fiel...

On a bright, cold morning on 15th February 2013, a meteorite ripped across the skies above the Ural mountains in Russia, distintegrating into three pieces and exploding with the force of 20 Hiroshimas. It was a stark reminder that the Earth's journey through space is fraught with danger. A day later another much larger 14,3000 tonne asteroid, passed within just 17,000 miles of ...

　　南尼·莫莱蒂导演全新纪录片[圣地亚哥,意大利](Santiago, Italia，暂译)将亮相第36届意大利都灵国际电影节，作为本届电影节的闭幕影片。影片围绕1973年9月11日智利发生政变后几个月发生的故事展开，将聚焦智利政治家、军人奥古斯托·皮诺切特。该片意大利将于12月6日上映。

　　一名女子在家进行DNA鉴定，发现自己拥有许多同父异母的手足，从而揭穿一桩涉及精子捐赠和知名生殖医学医师的惊人阴谋。

《越山河》立意于“从万桥飞架看中国奋斗”，由贵州省交通运输厅、贵州广播电视台卫视中心与《航拍中国》团队联合精心打造，是一部深度反映贵州省交通桥梁建设，全景展现贵州发展巨变和中国精神的大型纪录片。以“平原之梦”“刷新纪录”“高速平原”三个主题展开讲述，以跨越山河的大桥象征贵州积极融入国家发展战略实现跨越发展，弘扬中国式现代化建设所不可或缺的奋斗精神。

Something weird seems to be happening to our weather - it appears to be getting more extreme. 　　In the past few years we have shivered through two record-breaking cold winters and parts of the country have experienced intense droughts and torrential floods. It is a pattern that appears to be playing out across the globe. Hurricane chasers are recording bigger storms and in Texas,...

Surgeon Gabriel Weston 为我们寻找变胖的真相。

He made perhaps the most dramatic shot in the history of NCAA basketball tournament. He's the only player to start in four consecutive Final Fours, and was instrumental in Duke winning two national championships. He had looks, smarts and games. So why has Christian Laettner been disliked so intensely by so many for so long? Maybe it was the he stomped on the chest of a downed p...

戲棚，一座座以竹竿搭建而成的臨時劇場，每年都會出現在香港不同的角落，漁村、鄉鎮、小島與市區，可謂到處都有它們的築跡。這早於一百五十年前已出現的文化場所，是香港獨有保存的非物質文化遗產，集結戲棚搭建技藝丶民間風俗與戲曲藝術於一身。 　　影片豐富紀錄這文化場所出現的不同族群：戲棚師傅如何搭建容納千人的劇場空間;鄉民如何參與娛神娛人的酬神活動;劇團如何搬演一段段扣人心弦的戲曲表演。透過鏡頭·帶蓍觀眾遊走於他們當中，傾聽他們的對話丶了解他們的生活·感受這一座座戲棚蘊藏的魅力。

和孤独同样不朽的是什么？从奇莱到柏克莱，乱石磊磊的心间正在上升完成的，是诗……《朝向一首诗的完成》从杨牧朗诵的声音，展开对于一个庞大文学生命的追索。那个花莲中学里踟蹰的少年，大度山下论辩学习的身影，在爱荷华选读古英文的执着与好奇，乃至其穿梭于欧美、大陆与台湾的文化资源，融会知识进入文学写作的尝试，那对于音韵与想像的计较的决心，均使人重读杨牧诗文时，更深刻地重新被撼动一次。

一座金字塔中的發現讓考古學家開始尋找有關努比亞王國的線索。這不是普通的考古挖掘作業，因為這座金字塔被水淹沒了。考古學家要首度潛入這座水底金字塔，讓我們更了解古老的努比亞王國。

The world's leading scientists and cinematographers relive 5 extraordinary shark feeding events. From being surrounded at night by 700 grey reek sharks, a 300-strong gathering of blacktip, dusky and bronze sharks feeding on thousands of bait fish, to the spectacular sight of more than 200 blue sharks feeding on the carcass of a seven ton whale; the Great Shark Chow Down is an e...

The secret Nazi death camp at Sobibor was created solely for the mass extermination of Jews. But on the 14th October 1943, in one of the biggest and most successful prison revolts of WWII, the inmates fought back.

Adam Rutherford meets a new creature created by American scientists - the spider-goat. It is part goat, part spider, and its milk can be used to create artificial spider's web. 　　It is part of a new field of research, synthetic biology, with a radical aim: to break down nature into spare parts so that we can rebuild it however we please. 　　This technology is already being used to m...

本部纪录片是BBC地平线系列推出的一档探讨“你是善良的还是邪恶的”为命题的纪录片。这个看似简单但却令人异常不安的问题，将由本片带你一同去寻找答案。摄制组采访了多位研究人员，他们一直在研究心理变态杀手的“邪恶”。然而并非像这些科学家预期的那样，这些在牢狱高墙背后，看似可怕的杀手就是“邪恶”的。吉姆·法伦教授一直致力于人脑中精神病迹象的研究，他发现这种标签化的定义太过主观和个人化。影片将进一步采访多位科学家，他们试图用全新的理念去重写大众心中对于道德审判下的罪与罚。 　　地平线系列纪录片是英国广播公司BBC制作的一档流行并且播放已久的科学纪录片，于1964年5月2日首播，到2013年为止已有49个系列超过1100集。本系列纪录片从历史、人文、宗教、地理、设计、艺术、生物、哲学、环保、伦理等多个方面，提供世界上最伟大科学家和哲学家一个可以交流他们看法和观点的平...

　　Banksy, the world's most infamous street artist, whose political art, criminal stunts, and daring invasions outraged the establishment and created a revolutionary new movement while his identity remained shrouded in mystery.