The Smart Cup sticker is a flexible patch that can monitor your vitamin C level using only sweat from your fingertips. Despite having a small surface area, fingertips can produce hundreds of times ...

Engineers at the University of California San Diego have developed an electronic sticker that monitors vitamin C levels using the sweat from fingertips. The sticker consists of a biofuel cell (black ...

Back in the day, the only way to coax me into taking vitamins was if they came in fruit-flavored dinosaur form. As the years passed, I eventually learned to swallow my pills, but it was always ...