منابع مشابه
Natural Language and Natural Selection
Many people have argued that the evolution of the human language faculty cannot be explained by Darwinian natural selection. Chomsky and Gould have suggested that language may have evolved as the by-product of selection for other abilities or as a consequence of as-yet unknown laws of growth and form. Others have argued that a biological specialization for grammar is incompatible with every ten...
متن کاملNatural selection
The time-scale of evolution Think of the 3.5 billion years that makes the history of life on earth as stretching for a single year. On the first of January, there is nothing more than primitive bacteria, and this remains the case for the next eight months. Multicellular eukaryotic life appears in early September, vertebrates invade the land at the beginning of December and dinosaurs become exti...
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In functional genomics studies, research is dedicated to unveiling the function of genes using gene-knockouts, model organisms in which a gene is artificially inactivated. The idea is that, by knocking out the gene, the provoked phenotype would inform us about the function of the gene. Still, the function of many genes cannot be elucidated, because disruption of conserved sequences, including p...
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The quinolones have evolved from antibacterial agents with a limited spectrum of predominantly anti-gram-negative antimicrobial activity and a restricted number of indications to a class of widely used oral (and, in some cases, intravenous) antibiotics with extensive indications for infections caused by many bacterial pathogens in most body tissues and fluids. This evolutionary pattern has aris...
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This research suggests that a Darwinian evolution of entrepreneurial spirit played a significant role in the process of economic development and the dynamics of inequality within and across societies. The study argues that entrepreneurial spirit evolved non-monotonically in the course of human history. In early stages of development, risk-tolerant, growth promoting traits generated an evolution...
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ژورنال
عنوان ژورنال: Biophysical Chemistry
سال: 2007
ISSN: 0301-4622
DOI: 10.1016/j.bpc.2007.01.005