There may soon be yet another alternative to the painful finger-prick blood glucose tests which diabetics have to endure on a daily basis. Scientists in Saudi Arabia have developed a paper-strip sensor that gauges blood glucose via a patient's saliva.

The project is being led by bioscientist Sahika Inal, electrical engineer Khaled Salama and materials scientist Derya Baran, all from the King Abdullah University of Science and Technology. Read more