El documento incluye dos trabajos. En el primero se exponen las acciones de educación no formal en la enseñanza de las ciencias que han beneficiado a docentes de niveles pre-universitarios del Sistema Educativo Nacional ...

Principal Component Analysis was used to identity common anomaly patterns amongst 72 rainfall gauge stations in Central America during October, in order to identify stations to from October Rainfall Indices. October was ...

Abnormalities in sleep and circadian rhythms are central features of bipolar disorder (BP), often persisting between episodes. We report here, to our knowledge, the first systematic analysis of circadian rhythm activity ...

Tropical intraseasonal variability (TISV) of the atmosphere describes the coherent variability in basic state variables, including pressure, wind, temperature, and humidity, as well as in the physical phenomena associated ...

La promesa del proyecto del genoma humano (PGH) fue que iba a transformar radicalmente la práctica médica. Cambiaría el paradigma de “diagnóstico y tratamiento” por el de “predicción de riesgo y prevención”. Hace más de ...

This study deals with the biology of Doru taeniatum, (Forficuüdae), particulary the habitat, feeding, reproduction, maternal care, and nymphal stages. The density of adults is higher in the older corn plants. The earwings ...

The precipitation patterns during La Niña events of 1988-89 and 1996 are analyzed for the Arenal River Basin. Pentad data are used to study the rainfall distribution for Naranjos Agrios (in the northwestern part of the ...

Pacific and Atlantic sides of Costa Rica there are coastal segments characterised by a flat relief, which increases the vulnerability of the coastal communities. In addition to tsunamis originating in the Middle American ...

A seismic hazard map for the Metropolitan Area of San Jose has been elaborated, based on local tectonic and seismic information. The area for the hazard computation covers an area of 20 x 15 km2 and includes the zone where ...