John Swierk is an assistant professor of chemistry at Binghamton University, State University of New York. Tattoos are an incredibly common form of permanent self-expression that date back thousands ...

Today’s youth are more colorful than their parents, at least when it comes to permanent body art. Once considered taboo in mainstream cultures in the US and Europe, tattoos are more accepted socially ...

Tattoos are an incredibly common form of permanent self-expression that date back thousands of years. Most tattoo artists follow strict health and sanitation regulations, so you might assume that ...

Tattoo artists in Europe are fighting a new ban on two commonly-used green and blue pigments, saying that losing these ink ingredients would be a disaster for their industry and their art. Meanwhile, ...