Robots on the high seas por Domingos Zaparolli
Offshore wind farms could provide electricity for oil platforms por Domingos Zaparolli
New buoy for measuring ocean winds por Yuri Vasconcelos
Calculator estimates methane emitted by intensive livestock farming por Gilberto Stam
Fighting fraud in biometric systems is a game of cat and mouse, says expert por Yuri Vasconcelos
Camera attached to backpack alerts visually impaired to obstacles por Carlos Fioravanti