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Originally posted by 3_Libras
Over time it seems, something (I forget what - its in the back of the head though) changes, which results in the head (where the brain is) becoming larger, while the chin and jaw area gets smaller. They had about 5 different skulls to compare over time, and said that this evolution is happening more rapidly with each stage.
The findings are grimly consistent with previous reports from other Gallina sites, the pair said. But the new skeletons offer tantalizing signs of how unique the culture may have been.
In particular, the skulls of two of the victims have an "unusual" flattened shape that has never been seen before in the Southwest, the experts said.
Such signs of a distinctive culture may help explain why the group was so plagued by violent conflicts with neighboring groups. But the scientists stress that their research is ongoing, and the ancient murders remain unsolved for now.
Originally posted by Grock
Yeah, I remember reading something about how our cranium is alot larger than it used to be and that the ratio of size to birth canal is extraordinarily large... larger than other mammals and at the very edge of tolerable levels... (The 'alien tinkering with our DNA' theory is therefore plausible)