The pigment Egyptian blue was used in ancient Egypt and Rome, but the recipe was lost to time. Now, chemists have replicated ...

Researchers recreated ancient Egyptian blue pigment and uncovered insights into its production, variability, and future tech ...

“The colors of Philadelphia are blue and gold,” Henry C. McCook wrote in advocating for a city flag in 1894. The Philadelphia ...

Ancient Egyptians were not only masters of architecture – they also were the original wizards of synthetic chemistry. Around ...

Colors do more than decorate flags—they carry deep political meaning across cultures. From red symbolizing revolution or ...

The “large” creature with “thornlets” down its back had been previously misidentified as two different species, researchers ...

What do the different heart emojis mean? Here's the meaning of all 27 heart emojis and when and how to use them!