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

Witness a breathtaking rainbow-colored aurora in space, captured by NASA's cameras, showcasing the vibrant colors of charged particles interacting with the Earth's magnetic field.

Ariana Grande makes a stylish appearance on the blue carpet, waving to fans and posing for photos.

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

Watch as actor Will Smith savors a delicious plate of spaghetti in this casual and intimate moment.

Get a thrilling first-person view of a roller coaster ride, with sharp turns, steep drops, and high speeds.

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。