The origin of Geraniales (approximately 900 species in three families: Geraniaceae, Melianthaceae, and Vivianiaceae) is traced back to the Cretaceous of Gondwana, yet their geotemporal history is largely unknown because ...

Distribution history of the widespread Neotropical genus Hypostomus was studied to shed light on the processes that shaped species diversity. We inferred a calibrated phylogeny, ancestral habitat preference, ancestral areas ...

An isolated active region (AR) was observed on the Sun during seven rotations, starting from its birth in July 1996 to its full dispersion in December 1996. We analyse the long-term budget of the AR relative magnetic ...

The present work intends to analyze two works, one cinematographic, the other literary with the intention of shed some light on issues related to studies about time, literature and cinema. However we will take as a starting ...

The objective was to establish the limitations of the genetic potential of the broiler in commercial terms, under the methodology of the critical route. For it, the information was collected of four cycles (42 days cycle- ...

  Es un desafío tratar de entender por qué en México la inequidad en la distribución del ingreso no sólo es elevada sino también persistente. Responder plenamente a esta inquietud requeriría un programa de investigación ...