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.

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

Watch as a penguin waddles and spins to its own beat in this adorable display of avian rhythm.

Indian cricket captain Virat Kohli is seen eating paan, a traditional Indian betel leaf snack, in this candid moment.

A warm moment with Jason Momoa as he smiles with a fire burning in the background, creating a cozy atmosphere.

A simulated spacecraft navigates the intense gravitational forces surrounding a black hole, showcasing the warping of space-time.

A person peels and consumes a banana in a casual setting.