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

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.

Witness a breathtaking rainbow-colored aurora in space, captured by NASA's cameras, showcasing the vibrant colors of charged particles interacting with the Earth's magnetic field.

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。

Allan Kardec discusses his seminal work, The Spirits' Book, a foundational text of Spiritism that explores communication with the spirit world.

A rare glimpse of the former German Chancellor Angela Merkel savoring a plate of spaghetti in a casual setting.

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