from the open-your-shirt-and-say-aaaaah dept.
An anonymous reader writes "Researchers at Northeastern University have modified an iPhone to take readings from a special fluorescing nanoparticle tattoo ink, which can then measure sodium and glucose levels in the blood."
"The Avis WIZARD decides if you get to drive a car. Your head won't touch the
pillow of a Sheraton unless their computer says it's okay."
-- Arthur Miller