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According to the Out of Africa theory early hominins originated in Africa subsequently dispersing into Eurasia. At least two dispersal events are documented, during which Pleistocene hominins left the African continent. Out of Africa 1 refers to the early hominin dispersal prior to Homo sapiens (e.g. Homo erectus/ergaster) while Out of Africa 2 deals with the dispersal of H. sapiens. Many hypotheses...
Stress-related cortisol secretion has been linked to increased appetite and subsequent food intake in overweight individuals. The present study addresses this relationship in a repeated-measures randomized controlled laboratory experiment. Nineteen obese women were compared to 36 normal weight controls with respect to stress-induced salivary cortisol and laboratory eating behavior, measured by a universal...
Computer simulation has evolved to a standard means for planning, analyzing, and optimizing complex systems. Yet, a twofold usage can be observed: as a tool for generating data and as a method for deriving knowledge. The objective of this paper is to outline epistemological consequences arising from this methodological uncertainty by analyzing the state of discussion as well as challenges of using...
Technological innovation and requirements of modern production are leading to a significant transformation of logistics. Cyber-physical systems are introduced as an integrating concept for improving information flow from execution to decision systems and vice versa. Accompanied by decision and information systems with an increasing degree of autonomy, new challenges arise in modelling and implementing...
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