It is said that as late as the 1870s, both red lead oxide (Pb3O4) and mercuric sulfide (HgS-cinnabar) were routinely used to ...

Many of these varied nutrients also give vegetables their colors, so eating a wide ... They’re rich in omega-3 fatty acids and iodine. Research suggests that eating oily fish can boost a person ...

No, red dye 3 and red dye 40 are not the same. Red dye 40, made of a chemical compound called Allura red AC, is already ...

Our ability to determine whether objects are colored the same or differently and the indispensable roles they play in science ...

Researchers isolated one kind of cone in the eye and aimed lasers at it to allow subjects to see a super vibrant teal shade ...

Is your green my green? Probably not. What appears as pure green to me will likely look a bit yellowish or blueish to you.

Scientists at UC Berkeley have developed a new platform called "Oz" that can simultaneously control up to 1,000 ...

Humans are known to make mental associations between various real-world stimuli and concepts, including colors. For example, ...

Sarah Burris is a long-time veteran of political campaigns, having worked as a fundraiser and media director across the United States. She transitioned into reporting while working for Rock the ...

The artist-provocateur reverse-engineered the blue-green shade called ‘olo.’ Now you can buy it as an acrylic paint. Last ...

Today, the country makes nearly one of every three physical products in the world — more than the United States, Germany, Japan, South Korea and Britain combined. The U.S. has become so reliant ...

2012;7(3):269-279. In summary ... The alcohols produced then react with a diazonium salt to produce a pink to purple color. The intensity of the color produced is proportional to the amount ...