"If you move somewhere else, your isotope will be distinct from the local population."

Your teeth can tell stories about you, and not just that you always forget to floss.

A study led by University of Florida geology researcher George D. Kamenov showed that trace amounts of lead in modern and historical human teeth can give clues about where they came from. The paper will be published in the August issue of Science of The Total Environment.

The discovery could help police solve cold cases, Kamenov said.

Read more at UF News.