The so-called “tramp stamp” isn’t a sign of trashiness — it’s early women’s tradition. A recent discovery has lead researchers to believe that ancient Egyptian women were adorned with lower back ...

A pair of researchers, one with the University of Missouri at Saint Louis, the other at Johns Hopkins University, has found evidence of tattoos on the bodies of women who lived in Egypt thousands of ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...