Collection of essays Part I: The religious radicals The army of the night Creationism and the schools The Reagan doctrine The blind who would lead Creeping censorship Losing the debate Part II: Other aberrations The harvest of intelligence That old-time violence Little green men or not? Don't you believe? Open mind? The role of the heretic Part III: Population The good earth is dying The price of survival Letter to a newborn child Part IV: Science: Opinion Technophobia What have you done for us lately? Speculation Is it wise for us to contact advanced civilizations? Pure and impure Do we regulate science? For public understanding of science Science corps Science and beauty Art and science The fascination of science Sherlock Holmes as chemist Part V: Science: Explanation The global jigsaw The inconstant sun The sky of the satellites The surprises of Pluto Neutron stars Black holes Faster than light Hyperspace Beyond the universe Life on earth Part VI: The future Transportation and the future The corporation of the future The future of collecting The computerized world The individualism to come The coming age of age The decade of decision Do you want to be cloned? the hotel of the future The future of plants Bacterial engineering Flying in time to come The ultimate in communication His own particular drummer The future of exploration Homo Obsoletus? Volatiles for the life of luna Touring the moon Life on a space settlement Payoff in space Part VII: Personal I am a signpost The word-processor and I A question of speed A question of spelling My father