A group of MIT and Harvard Medical School researchers explored the possibility of color-changing, health-monitoring tattoos. The smart ink can detect blood sugar elevation and dehydration. One of the ...

Scientists in Germany have developed three different tattoo dyes that change color based on the levels of certain health markers in the blood. Scientists are developing color-changing inks that may ...

Gone are the days in which tattoos were just permanent wearable decor on one’s body. Now, scientists are hoping to add some function to the permanent skin marking. Researchers at the Technical ...

BOULDER, Colo. (CBS4)- Imagine a tattoo that could alert you if you need to apply sunscreen or if your blood sugar is low. Sounds like joke, right? But it's not. "I often joke that tattoos can give ...

A person applying the color-changing tattoo, and a color chart for the medical-alerting tattoo. Ali Yetisen et al. Soon, tattoos won’t just show how cool you are — they’ll also show how healthy you ...

In Neal Stephenson’s sci-fi novel The Diamond Age, body art has evolved into “constantly shifting mediatronic tattoos”—in-skin displays powered by nanotech robopigments. In the 25 years since the ...

Tattoos are fast becoming more than just a means of self-expression: soon they could be used for more practical applications, like tracking blood alcohol levels or turning the skin into a touchscreen.

Tattoos may have been a practice since Neolithic times, but it's only recently that they've become ultra-trendy, thanks to the rise of teeny, tiny tattoos and more relaxed work environments. The ...

When a pair of tourists hiking the Alps stumbled across the frozen remains of the mummy Ötzi in 1991 they also, unknowingly, discovered the oldest known examples of tattoos in history. The ...