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One cranium has a huge brain volume of 1800 cubic centimeters—on the upper end for both Neandertals and moderns—plus a Neandertal-like hollow in a bone on the back of its skull. Both crania have prominent brow ridges and inner ear bones that resemble those of Neandertals but are distinct from our own species, Homo sapiens. However, the crania also differ from the western Neandertals of Europe and the Middle East. They have thinner brow ridges and less robust skull bones, similar to early modern humans and some other Asian fossils. “They are not Neandertals in the full sense,” says co-author Erik Trinkaus, a paleoanthropologist at Washington University in St. Louis in Missouri.
Link
originally posted by: glend
Would you agree to those sacrifices to help humanity evolve?
So how we can ensure humanity evolves? Would it not kill two stones (over population growth and ensuring human evolution) to have a one child policy for couples with average IQ of less than 100. A two child policy for couples with average IQ between 100 and 120. And unlimited child policy for couples with average IQ of 120 and higher.
"Neanderthal brains contained significantly larger visual cortices. This is corroborated by recent endocast work, which found that Neanderthal occipital lobes are relatively larger than those of AMHs [anatomically modern humans]. In addition, previous suggestions that large Neanderthal brains were associated with their high lean body mass imply that Neanderthal also invested more neural tissue in somatic areas involved in body maintenance and control compared with those of contemporary AMHs.
Neanderthals simply didn't grow socially the way humans did, which indicates that different parts of their brains developed--those more focused on individual survival. ...our findings tie in with the suggestion that the Neanderthal and AMH lineages underwent separate evolutionary trajectories. Starting from the brain size of their common ancestor Homo heidelbergensis, we suggest that Neanderthals enlarged their visual and somatic regions, whereas AMHs achieved similarly large brains by increasing other brain areas (including, for example, their parietal lobes)."
originally posted by: RisenMessiah
a reply to: glend
damn i thought the title said ancient hemorrhoids and nearly choked on my drink! ha ha
i think the larger brains had something to do with expansion of compassion. It's possible that after the more gentle species known as the Neanderthals were suddenly wiped out in an incredibly short amount of time according to Scientific research, and the Cro Magnum took over ' a much more violent species' I might add, everything went to pot.
originally posted by: glend
a reply to: NthOther
The Amazon forest will be destroyed within 50 years. Indonesia's sumatran rainforest within 20 years. Clearly a planet without the means to make oxygen isn't workable for future generations. So something must be done today regardless how it effects your life or mine. Else it will result in extinction of all life.
China has already introduced a two child policy.
originally posted by: glend
a reply to: dreamingawake
Not buying that eye size has anything to do with how they reacted socially with one another. This study disputes that speculation. Nor was their eye size that much bigger relative to their mass.
- continued at wiki
The visual cortex of the brain is a part of the cerebral cortex that plays an important role in processing visual information. It is located in the occipital lobe in
1. Through evolution, our brain has become more efficient, requiring less mass. Neanderthals are extinct for a reason.