Tattoos mark the spot for surgery, then disappear

Tattoos aren ' t just for body art. They can have medical applications, too. Doctors are using them on patients to mark an area for future treatment -- particularly for non-melanoma skin cancer such as basal cell carcinoma -- but the inks can cause problems. Now scientists have developed a better solution. In a new article, they report a new ink that glows only under certain light conditions and can disappear altogether after a period of time.
Source: ScienceDaily Headlines - Category: Science Source Type: news