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Essay
Nature 455, 1040-1041 (23 October 2008) | doi:10.1038/4551040a; Published online 22 October 2008
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A question of class
- Jeffrey Parsons and Yair Wand are professors of information systems at, respectively, Memorial University of Newfoundland and the University of British Columbia.
Email: jeffreyp@mun.ca
Email: yair.wand@ubc.ca
Abstract
Fundamental misunderstandings about classification can lead scientists down unproductive or dangerous paths, argue Jeffrey Parsons and Yair Wand.
Consider this list of scientific controversies: the decision by the International Astronomical Union to define 'planet' in such a way as to exclude Pluto; the ongoing debate over what 'species' means for bacteria; and the discovery, initially controversial, that the most common cause for peptic ulcers is an infection by the Helicobacter pylori bacterium. What do these diverse issues have in common?
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