Watch Dwayne 'The Rock' Johnson show off his rock'n'roll skills in an energetic live performance on stage.

了解中国唐代伟大诗人杜甫的生平和创作，及其对文学和诗歌的热爱和贡献。

Explore a user-generated project on Scratch, a free online platform for kids to learn coding and create interactive stories, games, and animations.

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

Prepare for an IT interview with these tips: research the company, review technical concepts, practice common questions, and more. Boost your confidence and increase your chances of success.

Watch as professional models showcase the latest fashion trends on the runway, highlighting designer clothing and accessories in a high-energy display.

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