1. Goitre in fish is a non-infectious, non-contagious, symptomatic manifestation of a fault of nutrition, the exact biochemical nature of which has not been determined. 2. Feeding the highly artificial and incomplete diet of liver is the major etiological factor in bringing about this fault of nutrition which is at once corrected by feeding whole sea fish. 3. Water plays no essential part in th...

Recent reports of the biochemical, anti-infective, antiallergic, contraceptive, emotional, and economic advantages of breastfeeding have aroused vigorous efforts to increase this practice; indeed, in 1979, the week from 3 June to 9 June was International Breast-feeding Week. Most researchers accept that the increasing use of artificial feeding contributes much to the widespread infantile malnut...

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In Nature, the intrinsic cooperation between organism’s parts is capital. Most living systems are composed of organs, functional units specialized for specific actions. In our last research, we developed an evolutionary model able to generate artificial organs. This paper deals with the assembly of organs. We show, through experimentation, the development of an artificial organism composed of f...

Rates of oxygen consumption during hover-feeding of wild, unrestrained, adult male Anna hummingbirds (Calypte anna) were measured with an artificial outdoor feeder converted into a respirometer mask. A computer sampled changes in O2 concentration in air drawn through the mask, automatically detecting the presence of a hummingbird from a drop in the O2 concentration, and photoelectrically timing...