Spaceships of God
W e now know that the sun will eventually start to cool down, expand and explode. Mankind hopes that well before that it will escape from earth and colonize other planets so that the human race as it exists on earth can be preserved. This is easier said than done. Interplanetary travel from one habitable planet to another is a daunting task for the most advanced of civilizations and even if it did become possible one may find on arrival on another planet that the precise chemical composition of the new planet has made all available food toxic. The mineral compositions of planets vary. Mankind need not despair. Nature has devised a better plan. In fact it has been in place ever since the universe has existed. In fact that is how humans arrived on Earth to begin with. When a star begins to cool down, most forms of life are frozen into extinction. However many bacteria, including the most useful ones have the ability to go into frozen hibernation and do so promptly on freezi