Physicists and vision scientists are lining up behind a provocative claim: the rich color we call purple is not a property of light at all, but a story the brain tells itself. Light in the real world ...

Danish maker of bio-based ingredients Octarine Bio and US cell programming company Ginkgo Bioworks have partnered up to engineer a strain for producing violacein and its derivatives. Food colorants ...

The color purple has long been a symbol of royalty, creativity, and mystery. But according to science, it's also something else: a figment of our imaginations. While it looks just as real as red or ...