Archaeologists can only speculate as to why this was done to some of the skulls.
Some archaeologists and Biblical scholars speculate as to the source of the tradition.
Archaeologists have speculated whether there are any religious or ideological connections with the goods found among the bodies.
Archaeologists speculate that the site could date back to 1100 BC.
Archaeologists speculate that the temple builders fell victim to famine or disease.
Some archaeologists have speculated that the picture tablets are evidence of a Palaeolithic 'school'.
Archaeologists speculate that beer was instrumental in the formation of civilisations.
Archaeologists speculate that the kernels were popped and then ground into meal to make tortillas.
Archaeologists speculate they were used either for gorgets or headdress ornaments.