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Contact: Greg Borzo
gborzo@fieldmuseum.org
312-665-7106
Field Museum

Graph Showing Outlier

Caption: This graph shows the cranial capacities in cubic centimeters for 118 fossil hominids plotted against time, extending back almost 3.5 million years. The arrow indicates the highly incongruous value reported in Nature by Brown et al. in 2004 for H. floresiensis, described as an insular dwarf derived from Homo erectus. The relatively tiny brain size only 18,000 years ago does not fit into known patterns of hominid brain size and development. It is "off the chart."

Credit: Graph by Robert D. Martin, Courtesy of The Field Museum

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Related news release: Compelling evidence demonstrates that 'Hobbit' fossil does not represent a new species of hominid


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