Woad dye was considered “true blue” — it produced the most colorfast blues in Europe. But it could not compete with indigo, a truer-blue dye made from several species of the Indigofera genus ...

Thousands of Velella velella species have invaded La Pelosa beach in Stintino, transforming the splendid shoreline into a characteristic expanse of blue. Like every year, the mistral winds carry ...

Red No. 40, for example, can be found in salami, Yellow No. 6 in chicken bullion and Blue No. 1 in canned peas ... to revoke the authorization for one dye, Red No. 3, to be added to foods ...

Supporters are convinced that in a hilarious bid to eradicate the colour red - worn by Everton's biggest rivals Liverpool - the club has dyed ketchup blue. However, the club have confirmed that ...

“Blue Train,” I said, and the guard waved us through. Image Guests arriving for a trip on the Blue Train are welcomed in style at the Cape Town train station. The entire experience is meant to ...

Was the cosmic whirlpool a spiral galaxy, a UFO, or something much more down to Earth? Is it a plane? Is it a satellite? Is it a galaxy? Is it aliens? A strange blue spiral lit up the skies over ...

A young woman who lived and died more than 2,000 years ago left behind remains in China that are unlike any we've seen previously. What's even more interesting is that, although cinnabar and other red ...

Members of Chicago Plumbers Local 130 dye the Chicago River green Saturday. Pat Nabong/Sun-Times Share Ryan Whitacre and Josh Sokol bass fished the discharges downtown Saturday in the adyed green ...

Marion Nestle, NYU nutrition professor emerita, told BakeryandSnacks.com on March 13 that PepsiCo’s dye-free Doritos in Europe prove reformulation is possible, but U.S. firms resist because of ...

Nvidia CEO Jensen Huang on Tuesday introduced an AI-powered robot called ‘Blue’ at GTC 2025 AI conference. The robot has been developed in collaboration with Disney Research and Google DeepMind. This ...