When you think of primary colors, I bet your mind wanders back to learning the basic colors at school. Bold reds, garish yellows, and a pretty basic bright blue. That's my first experience anyway, and ...

Think back to your grade school art classes when you first discovered the color wheel. It was all about learning the primary colors, mixing and matching them to create different tones, and making a ...

Dr. Mark Lindsay was 5 years old when he first learned that tree trunks were brown. "Up until that point, I believed leaves and trunks were all green. Just lighter and darker shades," Mark said. Mark ...