Discover the fascinating world of topology, a branch of mathematics that studies the properties of shapes and spaces, and its applications in various fields.

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

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

Test your facial endurance and try to hold a ridiculous expression for as long as possible.

A traditional Chinese dance performance at Panshan Temple, showcasing elegant movements and vibrant costumes.

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

Watch Indonesian kids show off their best dance moves in this fun and energetic video.