It's a Neanderthal Eat Neanderthal World!

Neanderthal cannibalism may have spread a type of mad cow disease which contributed to their extinction. 

Shocking evidence found in a French cave in 1999 revealed that Neanderthals may have eaten each other. 100,000-120,000 year-old bones of 6 individuals were discovered at the cave and showed signs that they were defleshed an anvil was used to remove the marrow and brains.

It is not clear why Neanderthals may have eaten each other, however research based on modern human populations that practice cannibalism such as the Fore of Papua New Guinea, suggests that the relatives of the deceased, dismembered corpses because they believe their flesh was valuable.

The practice of cannibalism within Neanderthal populations gave rise to the spread of encephalitic disorders such as Mad Cow disease. The disease's often result in severe mental impairment, loss of speech and an inability to move. It is estimated that within a group of 15,000 individuals, such a disease could reduce the population to non-viable levels within 250 years. 

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No Need For Soap!

Neanderthals didn't need soap to deal with odors because they couldn't smell each other anyway. Although Neanderthals had bigger noses than modern humans, scientists suggest their sniffing skills were not that great. 

Three-dimensional medical imaging was used to scan fossils of human skulls, these images revealed that the 'olfactory bulbs' which process odors are 12% larger in modern humans than in Neanderthals. 

Scientists of the Spanish Natural Science Museum assessed the shape of the  base of the cranium and quantified the volume of gray matter that would have filled it. Other differences were also identified which suggested that although the Neanderthals were very similar to us, their brains may have worked very differently to us. 

This article explains how the modern human sniffing ability correlates with our higher brain functions directly responsible for processing emotion, motivation, fear, memory, pleasure, and attraction. 

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