Fast twitch (Type II) muscle is whiter in color as it has less myoglobin (a oxygen carrying protein). Fast twitch fibers contract quickly and powerfully, however they fatigue rapidly.
In 2004, a study called Comic Sans a 'childish' font. However, in 2010 a study conducted at Princeton University in America revealed that students who studied materials in harder-to-read fonts, such as Comic Sans, were more likely to retain the info.