Forest surrounded by desert 260 million years ago By Gilberto Stam
Some insects hide, others show off By Maria Guimarães
Harvestman species has two types of males By Gilberto Stam
Rivers alter landscapes by incorporating parts of other rivers By Carlos Fioravanti
Meeting and separation among butterflies By Redação
Hell ant found in the Brazilian Northeast is the oldest in the world By Enrico Di Gregorio