A poignant moment of a man expressing his emotions, struggling to hold back tears.

Explore the incredible defense system of the human body, from the different jobs and components of the immune system to its response to infections and how it keeps you safe.

Take a tour of a state-of-the-art hospital, featuring advanced medical facilities and equipment, and learn about the latest healthcare technologies and innovations.

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

A Chinese song performance with a nostalgic and longing tone, evoking a sense of adventure and exploration.

Learn how crypto trading bots use algorithms to automate buying and selling of cryptocurrencies, and explore their benefits and risks.

Russian President Vladimir Putin is seen eating spaghetti in a rare casual moment, showcasing a lighter side of the leader.