This is a photograph depicting the typical countryside Trinidad, B.W.I. in 1948, with the Northern Range as the backdrop. There are at least seven people in the photograph at mid-ground and four of them are wearing hats ...

Description on the back of postcard: “A colourful and fantastic Carnival costume snapped during Carnival time at Arima, a town 17 miles from Port of Spain.” This masquerader portraying a Fancy Indian is wearing a headpiece ...

Feather molting in birds is a process that occurs naturally every year due to plumage wear. For it to occur, a large amount of energy is required, so it does not usually coincide with other events in the bird's life cycle ...

Japanese quail were evaluated in 4 tests, performed aproximately 30 days appart from each other. Partial mechanical restraint test , Social Interaction, Tonic Inmovility and Welfare assesment. Partial mechanical restraint ...

Lateralization, or asymmetry in form and/or function, is found in many animal species. Brain lateralization is considered adaptive for an individual, and often results in "handedness," "footedness," or a side preference, ...

Este estudio se centra en las tecnologías líticas de poblaciones de cazadores recolectores de la Sabana de Bogotá, específicamente, aquellas que habitaron la colina Checua desde el 9500 hasta 5052 cal AP. Estudios recientes ...

RESUMEN: Hidroxiapatita porosa sobre substratos metálicos o en forma de pastilla fue obtenida mediante la adición de aditivos poliméricos. La hidroxiapatita fue sintetizada en forma de polvo con una relación calcio/fósforo ...