Narrator: Oil paint is simple. At its most basic, it's just a mixture of oil and pigment. But depending on the color and quality, a liter of this paint could cost you $285 to $1,100. So what is it ...

Fast forward another millennium and the Italians figured out how to add color by introducing various elements to the flammable mix. Adding the element strontium to a color pyrotechnic mix produces ...

This method honors the relative amount of each color in the flag-the British flag results in a purpler hue than the U.S., one, for example. Compare to casually mixing paints. Previously ...