Marks left by insects on rhynchosaurus bones indicate underground activity por Laura Tercic
Gateway to the underworld opening wider por Redação
Thousands of craters and 17 rock types on the Moon por Redação
Glass negatives depict science in the early twentieth century por Carlos Fioravanti
Revolt against the weighing scale por Suzel Tunes
The first transatlantic telegraph cable in Brazil por Sarah Schmidt
