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 years ...

(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 ...

Researchers made the skin on the skulls and bellies of live mice transparent by applying a mixture of water and a yellow food coloring called tartrazine. Washing away any remaining solution reversed ...