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 ...

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 ...

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 ...

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 ...

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 ...

I'm a tattoo artist that specializes in black-and-gray and color-realism designs. Don't expect the color to look exactly the same as in the reference photo, especially when healed. Consider getting ...

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 ...

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.