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Population-level variability in the social climates of four chimpanzee societies
Social tolerance Chimpanzees Intraspecific variation Culture Norms Sharing Social networks
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2015/5/5
Recent debates have questioned the extent to which culturally-transmitted norms drive behavioral variation in resource sharing across human populations. We shed new light on this discussion by examini...
Molecular and Population Level Approaches to Understand Taxus Metabolism in Cell Suspension Cultures
Cellular Engineering Gene expression Paclitaxel Plant Cell culture Secondary metabolite
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2014/11/10
Plant cell culture is an attractive platform technology for production and supply of important plant derived medicinals. A unique characteristic of plant cells is the ability to grow as multicellular ...
Zinc Deficiency in Aged Residents and Lowered Serum-Zinc-Concentration As Population Level in the Same Rural Region
serum zinc concentration zinc deficiency public health
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2009/3/23
Many aged-patients with zinc deficiency were found in our clinic in autumn of 2002, complaining of impaired taste, nausea, anorexia, delayed healing of decubitus, behavior abnormality, or others. The ...
How Late Can First Births Be Postponed? Some Illustrtive Population-level Calculations
First Births Illustrtive Population-level Calculations
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2009/3/12
I shift, stretch, and transform the observed cohort age-schedule of first birth for Danish women born in 1963 to see how late the mean age at first birth could plausibly shift. Constraints of two kind...
Natural Selection as a Population-Level Causal Process
natural selection evolution, causation
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2008/4/15
Recent discussions in the philosophy of biology have brought into question some fundamental assumptions regarding evolutionary processes, natural selection in particular. Some authors argue that natur...