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 ...

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, ...

BRIGHT-coloured tattoos can leak toxic metals into your lymph nodes and spark an allergic reaction, experts have warned. Researchers have discovered that nickel and chromium, which are allergens, are ...