Battle of the giants: The Nature of Space and Time by Stephen Hawking and Roger Penrose, Princeton University Press, £16.95/$24.95, ISBN 0 691 03791 4Books & Arts
Shaking the foundations of mathematics: There are many interpretations of mathematics. The one we use has proved itself. But what would happen to our view of the Universe if we experimented with another?Features
Platonic relationships in the Universe?: Some scientists follow the Platonic tradition, seeing the Universe as basically simple and symmetrical. Others take the Aristotelian view that it is complicated and random. Who is right?Features
Where the wild things are / Review of 'The Dreams of Reason: The Computer and the Sciences of Complexity' by Heinz R. Pagels, Bantam, New York, pp 352, $9.95Books & Arts