New vaccines on the way por Marcos Pivetta and Ricardo Zorzetto
The past dangers of receiving blood por Felipe Floresti
Scientists develop serum for Africanized bee venom por Suzel Tunes
Extinct rivers of the Northeast por Carlos Fioravanti
Biomechanics used to infer how titanosaurs moved por Enrico Di Gregorio
Did diseases kill the Neanderthals? por Maria GuimarĂ£es