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Orangutans (Pongo pygmaeus and Pongo abelii) are semisolitary apes and, among the great apes, the most distantly related to humans. Raters assessed 152 orangutans on 48 personality descriptors; 140 of these orangutans were also rated on a subjective well-being questionnaire. Principal-components analysis yielded 5 reliable personality factors: Extraversion,… (More)
Across broad taxonomic groups, life history models predict that increased ecological predictability will lead to conservative investment in reproductive effort. Within species, however, organisms are predicted to have increased reproductive rates under improved environmental conditions. It is not clear how these models apply to closely-related species. In… (More)
1863 ANY REAL NUMBER CAN BE PLOTTED ON A LINE THAT RUNS FROM NEGATIVE TO POSITIVE infinity, but throw in an imaginary component and the line becomes a plane, where complex numbers are plotted on both the real and the imaginary axes. Möbius transformations are mathematical functions that send each point on such a plane to a corresponding point somewhere else… (More)
The Virtual Gorilla Modeling Project (VGMP) was a research and development project that explored the integration of a prototype pedagogy and immersive virtual reality (VR) environment into Zoo Atlanta's Summer Safari program.
BACKGROUND Successful treatment of latent tuberculosis infection (LTBI) is an important objective in the United States' strategy for tuberculosis (TB) control. We review the impact of demographic variables and community treatment upon completion of medical therapy of LTBI in a large pediatric cohort. METHODS We performed a retrospective analysis of… (More)