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.

A woman captures a moment in time with her camera, freezing a memory forever.

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

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

A mysterious grey alien wearing a cowboy hat stands in a field, with an unknown liquid dripping from its fingers to the ground, set in the 1890s.

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

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