|aPlease explain /|cDecorations by Michael McCurdy.
|aBoston :|bHoughton Mifflin,|cc1973.
|ax, 210 p. :|bill. ;|c24 cm.
|aAnswers 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?".