Brazil's first fossils were believed to be from monsters por Enrico Di Gregorio
New perspectives seek to broaden our understanding of the Paraguayan War por Ricardo Balthazar
Aggressive variant of the Oropouche virus circulating in Brazil por Gilberto Stam
Miguel de Barros: The sea swallowing the land por Marcos Pivetta
Fossilized feces contain traces of parasites that can still infect animals por Enrico Di Gregorio
Bird flu can be transmitted between mammals por Guilherme Costa