Ick factor aside, ancient tartar-encrusted teeth may be a biological gold mine for scientists, thanks to a new technique for extracting food particles from teeth that once belonged to prehistoric humans.
The method already has solved a mystery surrounding what early coastal Brazilians ate.
In the future, similar studies may reveal clues about other ancient diets, particularly in areas with little plant preservation from earlier times.
Tuesday, March 06, 2007
Ick is right Unbrushed Teeth Reveal Ancient Diets