Environmentally friendly asphalt por Domingos Zaparolli
Errors and accuracies on the path to Independence por Carlos Fioravanti
Brazil's first fossils were believed to be from monsters por Enrico Di Gregorio
The reclamation of Manuel Querino por Suzel Tunes
The past dangers of receiving blood por Felipe Floresti
Glass negatives depict science in the early twentieth century por Carlos Fioravanti
