Hormonal and digestive system diseases increase the risk of Parkinson's and Alzheimer's por Giselle Soares
Maria Paula Curado: Brazilian epidemiologist mapping cancer incidence patterns por Ricardo Zorzetto and Maria Guimarães
Fighting fraud in biometric systems is a game of cat and mouse, says expert por Yuri Vasconcelos
Camera attached to backpack alerts visually impaired to obstacles por Carlos Fioravanti