Now, as never before, the big questions of life - purpose, the mind, physical nature - are tied together as philosophers have to take on board the findings of scientists about the mysteries of the universe and physicists seek to explain ideas of human destiny. All too often this crossover results in confusion being worse confounded. Professional philosophers are seldom equipped to comprehend cutting-edge scientific research, and when scientists attempt to explain their findings they mystify the ordinary reader. Yet the public remains eager to be enlightened; hence the great bestsellers that...