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Simple mice test antibody complexity

Article Abstract:

A Univ of California-San Francisco team tested immune system complexity by developing a mouse with all antibody-producing genes knocked out and a gene for one specific antibody re-inserted. The mice produced the one prescribed antibody at first, but by adulthood were producing many varied antibodies.

Innovations, Genetic aspects, Monoclonal antibodies, Genetically modified mice, Immunological research, Immunologic research

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Evolutionary psychologists look for roots of cognition

Article Abstract:

The successful explanation of animal behaviors as products of natural selection have given impetus to the evolutionary study of human behavior, which had long been dismissed by psychologists. Research into the origins of cognitive abilities in animals provides encouragement for human studies.

Conferences, meetings and seminars, Science and technology policy, University of London. London School of Economics and Political Science, Genetic psychology, Evolutionary psychology, Social Darwinism, Cronin, Helna

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Fractal geometry gets the measure of life's scales

Article Abstract:

Researchers have developed a mathematical model for living organisms that explains the 1/4 power factor that relates an organism's metabolism and its size. Fractal geometry was important in developing the model's branching network.

Models, Usage, Body size, Body weights and measures, Growth, Growth (Physiology), Fractals

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