Watch Dwayne 'The Rock' Johnson show off his dance moves on stage, bringing energy and enthusiasm to the crowd.

习惯可以改变一个人，好的习惯让我们变得更好，坏的习惯让我们不由自主。如何养成好的习惯，改变自己？

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

Aerial footage of New York City's grid-like streets and rectangular buildings creates a visual resemblance to a plate of ravioli.

A female athlete from Africa in motion, showcasing her speed and endurance while running.

A rare glimpse of Russian President Vladimir Putin in a casual setting, enjoying a plate of spaghetti.

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