It's a nightmare of epic proportions: the finger prick. Anyone who detests 'em completely understands, and they'll also be supremely appreciative of the work being done by Dr. Karan Kaler and co. at the University of Calgary. Kaler's team has created a new lab-on-a-chip technology, which uses a wireless microchip to analyze nanolitre-sized samples of blood. That's far less fluid than is currently needed to run a gauntlet of tests, and this fresh take is also far more efficient. We're told that it "involves creating a structure called a micro-emulsion, which is a droplet of fluid captured inside a layer of another substance." From there, the e
