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 ...
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 ...