The first transatlantic telegraph cable in Brazil por Sarah Schmidt
Compact device can reduce power outages por Gilberto Stam
A drone to explore other planets por Domingos Zaparolli
Physicist Hans Herrmann explains why dunes are such a fascinating and complex system por Marcos Pivetta
Carlos Augusto Monteiro: The normality of being overweight por Ricardo Zorzetto
Luis Bahamondes: The paradoxes of women's health por Ricardo Zorzetto
