Surely there could not be an equivalent ensemble of fitness in nature for some other type of life.
Certain threads in the events of recent months suggest the hand of a skilled novelist.
The 4-4-4 rule says that we would perish without oxygen for four minutes, water for four days, or food for four weeks.
Like a well-written, trillion-page novel, every micro-step, every macro-step, every twist and turn of our development follows a master plan.
Finely tuned and exquisitely engineered, this system gave our ancestors enough oxygen not only to stay alive but to thrive in the face of a hostile environment.