While birdsong is a model system for animal communication studies, our knowledge is derived primarily from the study of only one sex and is therefore incomplete. The study of song in a role-reversed species would provide a unique opportunity to…

Studies of tropical secondary forest succession face strong limitations due to the slow pace of succession and the time-consuming task of monitoring processes. The occurrence of tree rings in secondary forest trees may help expand our knowledge on succession in…

In this study we analyze the meaning of symbols based on the psychological approach of Piaget. In addition, we would like to stimulate more research in this area. A symbol has sense when it has a nexus with a specific…

La explotación de petróleo y gas natural tiene efectos ambientales específicos que dependen de la ubicación de los yacimientos y de las técnicas utilizadas para extraer los productos brutos. La prevención y control de los impactos ambientales generados por las…

Human health risk assessment and management (HHRAM) is a systemic approach to characterize the nature and concentration of human health risks associated with any health hazard and the possible restoration of health by utilizing the scientific and technological knowledge. Computer…

The jurist Balsamon, in the course of his legal strictures on women who are mentruating, exhibits some detailed knowledge of anatomical and erotic literature and of unorthodox sexual practices.

Homer's several statements about the polar constellations prompted ancient critics both to emend the received text, in order to attribute to Homer advanced astronomical knowledge, and to defend it, by means of reinterpretation.

Dette er en kasusstudie av en matematikktime som omhandlet brøk med en lærer, her kalt Berit. Formålet med studien var å undersøke hvordan lærere drar veksler på sine kunnskaper i matematikk og matematikkdidaktikk i undervisningen. Som teoretisk rammeverk og analyseverktøy…

The present paper argues for the systematization of the established knowledge on eating behavior in Conditioning and in Motivation on the basis of the quantitative contiguities between some of its controlling variables. A variable in common to both types of…

Monitoring, management, and conservation of grassland birds are topics of importance because of widespread population declines. Annual estimates of survival are available for many species, however knowledge of how survival varies on a seasonal basis remains poor. Information on the…