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Recent events in Britain have raised anew questions about the true extent of the asbestos health threat. Allan Piper reports on signs that white asbestos may, after all, be just as dangerous as the blue variety, and that the hazards stretch beyond the risk of asbestosis on the factory floor.
In the 150 years since its inception, the Zoological Society has developed from a collection of curiosities on which only observational research was carried out, to one of the world's most comprehensive collections of animal species, with two attached experimental research institutes. Dr Harrison Matthews traces the evolution of the Zoo from the time when the idea first occurred to Sir Stamford Raffles on a visit to the Jardin des Plantes in Paris.
