A finalidade deste artigo é apresentar um comentário sobre o diversificado papel dos espectros nas tragédias de Sêneca. Em Thyestes e Agamemnon, os fantasmasde Tântalo Tiestes aparecem como personagens que assumem discurso nos prólogos fazem previsões futuro. Troades, fantasmas Aquiles Heitor são mencionados aparições. Oedipus Hercules furens, pessoas vivas se dirigem ao mundo das sombras onde ...

We investigated cooperative problem solving in unrelated pairs of the cooperatively breeding cottontop tamarin, Saguinus oedipus, to assess the cognitive basis of cooperative behaviour in this species and to compare abilities with other apes and monkeys. A transparent apparatus was used that required extension of two handles at opposite ends of the apparatus for access to rewards. Resistance wa...

A zoo experienced several fatalities following an outbreak of a Y. pseudotuberculosis infection in Goeldi’s Marmosets (Callimico goeldii) and Cotton Top Tamarins (Saguinus oedipus). The zoo had previously abandoned its vaccination programme due to no outbreaks over the past few years. The animals underwent a post mortem examination at Greendale Veterinary Laboratories and an infection with Y. p...