Kid Ink isn’t some hip-hop purist who forces his brain cells to come up with jaw-dropping metaphors. But he’s still an MC and his rhymes and melodic hooks command attention. As an independent artist, ...

When many of us think of toners, we have traumatic flashbacks to the drugstore aisle in the early aughts. Toners were all the rage—but the astringent formulas weren't exactly friends to the skin ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. At up to $8,000 per gallon, the ink inside Hewlett-Packard printer cartridges could be some of the most ...

The melanin in modern-day cuttlefish ink is nearly chemically identical to the pigment found in ancient cephalopods' fossilized ink sacs. Sophie Bushwick reports Tens of millions of years ago, ...

This fascinating document containing a Harry Potter-style secret formula for invisible ink was one of the oldest still classified by the U.S. Now newly-declassified material, including the details on ...