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 scene from the 1990 comedy film 'Kindergarten Cop' where Arnold Schwarzenegger's character punches a pig.

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

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

一组描述夕阳下的美景和诗情画意的文字，描绘了夕阳下的自然美景和人文情怀。

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

German Chancellor Angela Merkel is seen eating spaghetti in a rare casual moment, showcasing her down-to-earth personality.