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Sleep plays an important role in the history of the neurosciences. On Easter Monday in 1920, Otto Loewi was awakened in the night by a dream in which he conceived of neurotransmitters communicating across the synapse. He quickly made notes, but in the morning he could not understand his scribbles. The following night, the dream came again. He wrote down his thoughts more carefully and, the next day, conducted the crucial experiment that launched modern neu rophysiology (Koelle, 1986). Since the beginning of the modern era of sleep research in the 1950s, we have used the principles of neurotransmission to explore the regulation of sleep. Without resorting excessively to comments on blind men ...
Most of the future increase in livestock production is expected to occur in the tropical and subtropical regions of the world. Cattle are the most numerous of the ruminant species in the tropics and provide the largest quantity of animal food products. More than one-third of the world's cattle are found in the tropics. Disease is the major factor which prohibits full utilization of these regions for cattle production. Various infectious and transmissible viral, rick ettsial, bacterial, and particularly protozoan and helminthic diseases, are widespread in the tropics and exert a heavy toll on the existing cattle industry there. This uncontrolled disease situation also discourages investment i...
'The authors ...extend the reach of their comprehensive reviews into theoretically driven and innovating explorations. The scope of coverage across and within chapters is striking. The developmentalist, the methodologist, the feminist, the contextualist, and the cross-culturalist alike will find satisfaction in reading the chapters' - Catherine A Surra, University of Texas, Austin The science of close relationships is relatively new and complex. This volume has 26 chapters organized into four thematic areas: relationship methods, forms, processes, and threats, as well as a foreword and an epilogue.