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 ...

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 ...

The future might not be far away! Biosensor tattoos, which are still in the testing stage at present, could one day become an exciting new way to keep track of our health, overcoming the need for ...

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 ...

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 ...