The U-44 was a German U-boat that served in World War I, part of the U-43 class of submarines.

Learn about the fundamental principles of electric circuits, including voltage, current, resistance, and common components like wires, batteries, and switches.

Watch as Dwayne 'The Rock' Johnson humorously takes a literal rock for a stroll, showcasing his playful personality.

了解中国唐代伟大诗人杜甫的故事，他如何从贫穷学士成为官员和诗歌奇迹的创造者，及其对生命和人民的热爱和关怀。

A dramatic close-up shot of actor Jason Momoa screaming, showcasing his intense expression and vocal range.

Russian President Vladimir Putin is seen eating spaghetti in a rare casual moment, showcasing a lighter side of the leader.

A detailed review of the Samsung Galaxy Z Flip 4, covering its design, display, performance, camera, battery life, and price to help you decide if it's the right smartphone for you.