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…

La presente exposición tiene por presupuesto la opinión según la cual detrás de las normas subyace siempre un hecho social, cuya apreciación, en su dimensión tempo-espacial, resulta un paso previo y necesario para la cabal comprensión de aquellas. Siendo ello,…

El diseño de tareas en los programas de formación de maestros se vincula al desarrollo del conocimiento necesario para realizar diferentes tareas profesionales- organizar el contenido matemático, interpretar el aprendizaje, gestionar la enseñanza. Se ejemplifica esta perspectiva en el caso…

Virtual and remote laboratories(VRLs) are e-learning resources which enhance the accessibility of experimental setups providing a distance teaching framework which meets the student's hands-on learning needs. In addition, online collaborative communication represents a practical and a constructivist method to transmit…

Rich Internet Applications offer Web surfers a richer user experience, mainly due to better responsiveness and enhanced user interface capabilities. In recent years, existing design methodologies targeting traditional Web 1.0 applications were extended to also support RIAs. These extensions do…

ABSTRACT: Transgenic crops have being grown in Brazil since 1995, however regulation for such crops only came into force in 2005, granting a key role to CTNBio (National Technical Committee on Biosafety). There are currently 19 transgenic varieties growing in…

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…

Durante las últimas décadas, el planeta está sufriendo varios cambios en su naturaleza y a nivel climático debido al crecimiento descontrolado del sistema económico y la creación de miles de productos que causan la explotación, contaminación y desaparición de los…

Wampuik community is losing the traditional festival and the value of it, but it is necessary to maintain and value the Achuar feast as part of community life, because all parties contain values ​​teaching and learning about the culture.
This…

We study the effects of proximity in the interconnections between Internet providers participating at the three main Italian Internet Exchange Points. We find that geographical proximity plays a role in driving Internet Providers’ interconnection, positively affecting the likelihood of an…