Researchers have found that common food dye can be used to make skin, muscle and connective tissues temporarily transparent, suggesting that the procedure could be used in future to locate cancer cells in the human body, according to a new study. Scientists from Stanford University in California applied yellow-orange food dye to the skin of mice which turned the live animals’ bodies temporarily transparent and allowed the researchers to discern the blood vessels in the scalp or the movement of organs under the abdominal skin. The method could probably also be used in humans and is conceivable …