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Central serotonin (5-HT) is activated during stressful situations and aggressive interactions in a number of species. Glucocorticoids secreted peripherally during stressful events feed back on central systems and may affect 5-HT mediation of stress-induced behavioral events. To test the neuromodulatory effect of stress hormone secretion, serotonin overflow was measured from the hippocampus of the...
Large dams are generally built and managed by Governments and private dams are built by individual owners. A number of horrific failures of both types have triggered serious concerns over the safety of dams in each country. For the larger dams, the response has been to spend vast amounts on structural upgrading works. Unfortunately, only a few countries have developed mature dam safety assurance schemes...
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