A simulated spacecraft navigates the intense gravitational forces surrounding a black hole, showcasing the warping of space-time.

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

Footage of busy city streets on a rainy day, with people rushing to their destinations under colorful umbrellas.

A close-up view of a glass flask containing a herbal extract, showcasing its color and texture.

Watch as a car appears to teleport to different locations around the city at night, its lights illuminating the dark streets.

Watch the iconic Bollywood song Tumhare Nazar Ke Deewane Hai, a soulful melody that showcases the beauty of love and longing.

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？