President Biden starts his speech with a lively dance move, receiving a standing ovation from the enthusiastic crowd.

A young female teacher explains and demonstrates how to define variables in JavaScript, covering the basics of variable declaration and usage.

A tour of the iconic city's famous landmarks, neighborhoods, and cultural attractions.

Explore the world of pasta, from popular types like spaghetti and fettuccine to cooking methods and nutritional benefits.

A supernova is a massive star explosion that briefly outshines an entire galaxy, releasing enormous energy and heavy elements into space.

A man rides a bicycle, showcasing his cycling skills and style.

Experience the daily life of an astronaut aboard the International Space Station, with breathtaking views of our planet.