Watch Dwayne Johnson showcase his vocal skills in this entertaining video of him singing.

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

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.

A brief moment of a woman smiling as she turns left, capturing a natural and carefree expression.

Learn about the life and achievements of Bill Gates, from his childhood to co-founding Microsoft and becoming a philanthropic leader.