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.

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

A dramatic close-up shot of actor Jason Momoa screaming, showcasing his intense expression and vocal range.

A rare glimpse of the former German Chancellor Angela Merkel savoring a plate of spaghetti in a casual setting.

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.

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

Learn about the life and character of Chandler Bing, the witty and lovable friend from the popular TV show Friends, played by Matthew Perry.