210 pages
English language
Published 1975 by Abelard-Schuman.
210 pages
English language
Published 1975 by Abelard-Schuman.
Answers to questions in various scientific disciplines, e.g., "What are pulsars?", "Is the universe running down?", "What is the difference between a brain and a computer?", and "Why did the dinosaurs die off?".