This annual update, the first supplement to the 20-volume McGraw-Hill Encyclopedia of Science & Technology, Seventh Edition, presents summaries of some of the most significant developments in science, technology, and engineering during the past year. This year's edition features articles on such topics as: chaos; Alzheimer's disease; recycling technology; molecular mimicry; bioremediation; environmental health; geological engineering; data compression; dinosaurs; marine archeology; book preservation; gaia hypothesis; and venus.
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