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Does Notre Dame Still Sound the Same? | What the Physics?!

This video focuses on the restoration efforts following the 2019 fire at Notre-Dame de Paris, exploring a unique question from a physics perspectiv...

Germany's Highest Construction Site: Building A Record-Breaking Cable Car | FD Engineering

This is a documentary excerpt about the construction of Germany's highest-altitude cable car project. The video follows the FD Engineering team as ...

The Submarine That Sank a Warship… Then Vanished #history #historydocumentary #americanhistory

Total runtime: approximately 50 minutes. We recommend planning your viewing time accordingly. On the night of February 17, 1864, during the America...

Professor Paula Fredriksen | The Gifford Lectures - Lecture One: A World Full of Gods

This is a video from the University of Edinburgh's 2026 Gifford Lectures series, delivered by the renowned biblical scholar Professor Paul Fredriks...

African Savanna | Chaos Erupts Across the Serengeti Plains | FULL EPISODE | Wildlife Documentary

This is a wildlife documentary focused on the Serengeti savanna, running approximately 50 minutes. The film captures a season teeming with chaos an...

What Made the Universe Real? | Quantum Physics Documentary 2026

The video runs approximately 1 hour and 40 minutes. Taking the "role of the observer" as its entry point, the film traces the evolving debate aroun...

Nature’s Gross Doctor Saved This

This is a short film of approximately three minutes. The documentary focuses on a small but unique symbiotic relationship on the African savanna: t...

Is Reality a Simulation? | Quantum Physics Documentary 2026

The video is approximately one hour long. In 2025, a physics research finding that attracted global attention claimed to mathematically prove that ...

I teach Astronomy for 12 Hours Straight (Full Course)

The total runtime is approximately 12 hours, so it's recommended to watch in segments across multiple days. This video is a complete introductory a...

Rock Ptarmigan: From Egg to Survival in 50 Days | Wildlife Documentary

Rock Ptarmigan: 50 Days from Egg to Survival | Wildlife Documentary Runtime: approximately 1 hour; viewing in segments is recommended. The film fol...

LION VS HIPPO | Zambia’s Deadliest Fights For Survival (Full Episode) | Wildlife Documentary

视频时长约1小时。本片深入赞比亚腹地，聚焦非洲野生动物生存史上最致命的对抗——狮子与河马在河岸地带的殊死交锋。广袤的草原与浑浊的河水交织成一片残酷的舞台，镜头真实记录了两大顶级掠食者在争夺水源、领地与食物时的激烈碰撞。核心看点在于罕见的生态观察视角：狮群如何协作试探、河马 territoria...

World's Most Complex Tunnel Project: The Mega Build | Complete Season | FD Engineering

总时长约1小时，建议分段观看。 《超级工程》第二季跟随FD Engineering团队的脚步，深入剖析当今世界上最复杂、最具挑战性的隧道建设项目。隧道穿越山脉、海底、城市地下，每一项都是人类改造自然的极限尝试。本季聚焦工程设计背后的关键技术：地质勘探如何预判风险、盾构机的精密运作、通风与排水系...