A food coloring widely used in the U.S. and worldwide has been found to alter the balance of bacteria living in the gut and ...

Add Yahoo as a preferred source to see more of our stories on Google. A dye called FD&C Yellow 5 could have some useful scientific properties. Noppawat Tom Charoensinphon/Moment via Getty Images While ...

(CNN) — In H.G. Wells’ 1897 science fiction novel, “The Invisible Man,” the protagonist invents a serum that makes the cells in his body transparent by controlling how they bend light. More than 100 ...

Why isn’t your body transparent? Some animals such as jellyfish, zebra fish and some glass frogs have see-through bodies. But most mammals, including humans, aren’t transparent. While the idea of a ...