Here's an interesting story of a girl in Michigan with Grapheme-Color Synesthesia. In other words, she visualizes each digit, zero through nine, as a different color.

For her, and others with the same condition, it adds a new splash to math work.
A math professor at Dartmouth College has found an interesting way to bring two of his interests--math and art--together. Using mathematical problem solving techniques, Daniel Rockmore is helping to detect art forgeries. Read the story from NPR.
"It should be evident that each step in my career has rested on a firm foundation in mathematics. For me, the study of mathematics was the key that opened the doors to the universe."
NASA Astronaut
Figures represent salary potential.
Here's an interesting story of a girl in Michigan with Grapheme-Color Synesthesia. In other words, she visualizes each digit, zero through nine, as a different color.

For her, and others with the same condition, it adds a new splash to math work.