It had proved impossible to carbon-date the bone fragment accurately because of an absence of collagen from the sample. |
In order to carbon-date something, samples of this carbon have to be done. |
Specific references instantly carbon-date those films, rendering them ever more unintelligible to future viewers. |
The Vatican was deciding whether to allow scientists to carbon-date a segment of the cloth. |
But we plan to carbon-date the charcoal at the site to find out the exact date of the building. |
You could carbon-date those coins and determine that one was from the twentieth century and one was from ancient Rome. |