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

Before One Direction, Harry Styles was the lead singer of White Eskimo, a British screamo metal band.

A unique sight: a trash collector wearing a suit while on the job, blending professionalism with a typically casual occupation.

Russian President Vladimir Putin is seen dancing at a public event, showcasing a rare lighthearted moment.

Watch as talented dogs show off their best dance moves to popular music, highlighting their agility and training.

Learn how to safely and effectively fire a gun without revealing your position or identity.

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.