Can Brazil increase its GDP by 400 billion? Sérgio Sacani explains the controversy surrounding oil.
27:05
"O NEIL ARMSTRONG QUASE MORREU!" ENTENDA a CORRIDA ESPACIAL em DETALHES - SERGIO SACANI e LUCAS
21:38
PETROBRAS HIDES THIS FROM BRAZIL: SÉRGIO SACANI EXPOSES HIDDEN SECRETS!
21:58
The Black Forest Theory and the Dyson Sphere in Practice - Sergio Sacani
16:17
SERGIO SACANI E CIRO GOMES FALAM SOBRE A EXPLORAÇÃO DE PETRÓLEO NO BRASIL
18:17