Researchers develop smart tattoos for health monitoring

In the first link, Harvard and MIT researchers have developed smart tattoo ink capable of monitoring health by changing color to tell an athlete if she is dehydrated or a diabetic if his blood sugar rises. In the second link, A team of scientists at the Technical University of Munich in Germany developed a way to tattoo the skin with a fluid that changes color as certain properties in the blood spike or decline. Click on either image for the full articles.