Watch a massive blue whale glide effortlessly through the ocean, showcasing its incredible size and agility in its natural habitat.

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

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

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

The Terminator star shows off his cooking skills, or perhaps just his grip strength, as he holds a frying pan with ease.

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.

Allan Kardec discusses his seminal work, The Spirits' Book, a foundational text of Spiritism that explores communication with the spirit world.