petre postole," "two teeth of the apostle peter." >> the two teeth are incredibly precious to the church authorities have agreed to allow tom and george to carry out certain tests. >> firstly, we can use radio carbon dating, to fix an absolute date for the relics of st peter. secondly, we can use genetic techniques that will hopefully help us to determine the ancestry of that particular individual. >> can modern science now corroborate the christian tradition that peter traveled to rome? >> so far, so good. >> the sampling of the tooth was pretty challenging because it's quite a small sample, and in order to get enough material for radio carbon dating we had to use a lot of care, use a very small drill to drill as far into the tooth as we possibly could, and so it was a little bit stressful at the time, i have to say. >> i think we've got enough, so let's put this one away then. >> the samples are bagged and sent back to oxford university for analysis. >> so can science now prove, once and for all, that peter did come to rome and lay the foundations for the entire christian church? you'r