A young child rides a bicycle, demonstrating balance and coordination skills.

A scene from the 1990 comedy film 'Kindergarten Cop' where Arnold Schwarzenegger's character punches a pig.

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.

Aerial footage of New York City's grid-like streets and rectangular buildings creates a visual resemblance to a plate of ravioli.

A young man in a black hoodie takes the stage, singing to a large and enthusiastic crowd at a live concert event.

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

Learn about the guitarra, a stringed musical instrument originating from Spain, its history, types, and playing techniques.