A robot guide dog for the blind Por Frances Jones
Nineteenth century Portuguese ship identified Por Carlos Fioravanti
Engineering under reconstruction Por Sidnei Santos de Oliveira
Brazil making efforts to reduce the carbon footprint of livestock Por Yuri Vasconcelos e Domingos Zaparolli
Pasture management and dietary changes make livestock more sustainable Por Yuri Vasconcelos e Domingos Zaparolli
A drop in childhood vaccination Por Ricardo Zorzetto
