life on planet earth on Survival

Survival requires more than the basic biological necessities we readily acknowledge—oxygen, food, and water. It also demands something less tangible but equally vital: hope. When hope vanishes, the hu...

Many years ago a great Arctic explorer started on an expedition to the North Pole. After two long years in the lonely northland, he wrote a short message, tied it under the wing of a carrier pigeon, a...

Man can live about forty days without food, about three days without water, about eight minutes without air, but only for one second without hope.