"Vital Questions" examines issues which have enormous influence in shaping the attitudes of our society and the way we think and look at life. Most of us have assumed for years that there must be overwhelming proof for such well established ideas as the Big bang, Relativity, and Evolution. On closer investigation one finds that the evidence is astonishingly flimsy. A number of theories taken as indisputable, from primary school to university, are examined and found to be in serious doubt.