A tattoo that is warning you for too many hours of sunlight exposure, or is alerting you for taking your medication? Next to their cosmetic role, tattoos could get new functionality using intelligent ...

Add Yahoo as a preferred source to see more of our stories on Google. People are realizing what a tattoo gun actually does to the skin. TikToker @rubyd00biedoo has 18 tattoos. But even she was stunned ...

For people who love delicate tattoos, these beautiful artworks are right up your alley. Big, bold statement tattoos can serve a purpose, but they’re certainly not for everyone. If you like the idea of ...

Single needle? A single, solitary needle? Well surely that’s got to hurt less than the usual tattoo machine setup churning away? Afraid not, it still sucks. Single needle tattoos are typically formed ...

Pain-free tattoos? The company Micro Biomedical, backed by a study at the Georgia Institute of Technology, says it's developed painless and bloodless tattoos that can be self-administered. After all, ...

Idera Lawal was always interested in tattoos. So, when he was given the task of studying how the mechanisms of tattooing could be used as an intradermal drug delivery system, it was right up his alley ...

It’s a simple object about the size of a modern pen: two parallel cactus spines, stained black at the tips and lashed with split yucca leaves to an 89mm (3.5-inch) handle of skunkbrush sumac. But its ...