A few years ago, a team of European researchers discovered nanoparticles from tattoo pigments seem to be able to travel from a tattoo site into a body’s lymph nodes. A new follow-up study has now ...

People are realizing what a tattoo gun actually does to the skin. TikToker @rubyd00biedoo has 18 tattoos. But even she was stunned by how a tattoo gun worked. The creator shared her surprise as she ...

Sick lymph nodes, bruh! Turns out your tattoo artist gave you more than ink. New research has revealed that nanoparticles from tattoo needles are traveling to the body’s lymph nodes — a possible ...

Destin Sandlin, host of the YouTube show Smarter Every Day, recently devoted an episode to exploring an interesting topic: the science of tattooing. The episode, above, explores a few different ...

Tattoos are made by injuring the skin with a needle and at the same time injecting ink to draw various patterns and letters on the body. To engrave a tattoo, I use a tattoo gun that shoots out a ...

Nanoengineers at the University of California, San Diego have tested a temporary tattoo that both extracts and measures the level of glucose in the fluid in between skin cells. This first-ever example ...