And go figure, Iron is a primary component in Fe2O3, or red ochre, the chemical which makes red paint red. Now here comes the ...

For the first time, researchers have found evidence that people were using red ochre in West Africa ... thought to have involved the use of ochre as a body paint, all of which suggests that ...

Ochre pigment was widely used in prehistoric rock art for its vivid red color, but little is known about how the paint was made. According to a study published November 19 in Scientific Reports that ...