Xiulin Ruan, a Purdue University professor of mechanical engineering, holds up his lab’s sample of the whitest paint on record. (Purdue University/Jared Pike) In an effort to curb global warming, ...

An curved arrow pointing right. Following is a transcript of the video. Tony Piloseno: My name is Tony Piloseno, and I've been a paint mixer for about four years. Instead of using the gallon shaker ...

Ochre was often used as a vivid red paint in ancient rock art known as pictographs. Despite its broad use throughout human history and a modern focus on how the artistic symbolism is interpreted, ...