Common food dye found to make skin and muscle temporarily transparent  The GuardianYellow food dye can make living tissue transparent − these methods could one day improve cancer treatment, blood draws and even tattoo removal  The ConversationCommon food dye turns live mice transparent  New AtlasScientists just made mice 'see-through' using food dye — and humans are next  Livescience.comMice turned see-through by a dye that lets you watch their organs  New Scientist