Glass negatives depict science in the early twentieth century por Carlos Fioravanti
Antonio Bianco: An adjustment to hypothyroidism treatment por Marcos Pivetta and Ricardo Zorzetto
Mushrooms and biogas from brewery waste por Redação
Harvest time por Sidnei Santos de Oliveira
Growth amid adversity por Dafne Sampaio
Refuge in science por Rodrigo de Oliveira Andrade