Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In the early 1970s, petroleum products ruled the ink production ...

Manchester-based poets have put pen to recycled paper to raise awareness of global warming. The writers feature in the latest issue of Magma Poetry, which has been printed using vegetable oil for ink.

Amatuer tattoo artists have been offering semi-permanent tattoos using vegetable ink that will eventually disappear. While this was a start, semi-permanent tattoos often caused lesions that alarmed ...