The movement of species is one of the most pervasive forms of global change, and few ecosystems remain uninvaded by nonnative species. Studying species interactions is crucial for understanding their distribution and ...

In this note an aggressive encounter between a brown vine snake (Oxybelis aeneus) and a clay-colored thrush (Turdus grayi) is reported. The observations took place in the campus of the University of Costa Rica, Limón ...

This work focused on the use of internet and online interactions and was based on data collected from a sample of Brazilian college students (64 people) who were asked to answer the Face-to-Face and Online Interaction ...

Interactive whiteboards (IWB) consist of a set of technological equipment organized in order to fulfill a specific task, enabling the development of didactic activities. Because they are associated to computers’ potentiality, ...

The recording of lectures has become common as a way to produce video-based instructional material. Even though the material is often produced using more than one video source - the instructor and the slide, for instance ...