Where does the sand on our beaches come from? By Giovana Girardi
Versatile scientist Henrique Lins de Barros studied everything from magnetic bacteria to Santos-Dumont By Fernanda Ravagnani
Forest surrounded by desert 260 million years ago By Gilberto Stam
Brazilian neuroscientists map hidden brain connections By Sophia La Banca
Arthropods use their large limbs to regulate heat By Enrico Di Gregorio