Brazilian magnetic levitation train begins new phase of testing por Domingos Zaparolli
Brazilian scientists develop lightweight, flexible lead battery por Yuri Vasconcelos
A vibrant way to control brown stink bugs por Felipe Floresti and Carlos Fioravanti
The race for perovskite solar cells por Frances Jones
The road to renewable fuel por Frances Jones
Hydrogel pellets remove water from biodiesel por Felipe Floresti and Carlos Fioravanti