It’s difficult to provide an exact distance of the Earth to the outer space since we can only observe a small volume within our range.

This planet is indeed a unique one, several factors exist that when considered will clearly show how beautiful earth is.

Many theorists believe that intelligent machines can think as well as work exactly like humans.

Immortality is carrying-on with life after death, a never dying state, or an exception from lifelessness.

Nurses do their work to serve patients by working together with the doctors.