Hydrogel pellets remove water from biodiesel por Felipe Floresti and Carlos Fioravanti
Did diseases kill the Neanderthals? por Maria Guimarães
How sponge cities can help prevent flooding por Frances Jones
Harvest time por Sidnei Santos de Oliveira
Growth amid adversity por Dafne Sampaio
Refuge in science por Rodrigo de Oliveira Andrade
