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New Uses for New Phylogenies (Oxford University Press, £19.95, ISBN 0
19 854984 9), edited by Paul Harvey et al, shows for the first time how
evolutionary and family trees based on sequence data can illuminate questions of
biodiversity, conservation, epidemiology and population dynamics. Its appeal
will be as wide as its authors are numerous—they range from
palaeontologists studying post-Palaeozoic echinoids to geneticists investigating
parasite-host cospeciation.