Graph for fossilized teeth (IMAGE)

University of California - San Diego

Graph for fossilized teeth

Caption

Lead banding in fossilized teeth of several hominid species during the Pleistocene. Blue indicates no lead exposure during tooth formation; red indicates high exposure.

Credit

UC San Diego Health Sciences

Usage Restrictions

use photo credit

License

Original content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.