Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Before the dawn of synthetic dyes, all fabric was colored with ...

Blue food has a bad rap for looking unnatural, but scientists have just discovered a cyan blue color that can be used as a natural alternative to synthetic blue food dye. The findings, which were ...

The natural blue dye indigo is perhaps the most famous vat dye, meaning it doesn’t require heat or a mordant, but instead relies on complex chemical reactions involving air. Participants at this event ...