Showing posts with label stone. Show all posts
Showing posts with label stone. Show all posts

Archeology in the Rottnest Island Region

archeology
Work is being done to make the earliest human habitation of the Great Swan Region in Western Australia clearer. This covers the glacial period before the post-glacial sea rise, 30,000 to 6,000 before the present.
aboriginal stone tools
Aboriginals were making flake stone tools. Though for the most part natural forming cutting edges of quartz and chert were utilized Aboriginals evolved to adapt to hot conditions they survived the extremely cold conditions. Rottnest Island was inhabited during the fall in sea level but not thereafter. Aboriginals do have folk memories in the their culture about a past period when trees grew on intervening land now beneath the sea. The sea flooded in 6,500 years ago, quite recent.

Pollen records of close onshore land that wetland and woodland. There were changes over the years as the climate changed. Aboriginals did not take to cave dwelling as they had to hunt for food. They lived in the open around fires. Bush food and fresh water were available there.

The sources of material for stone tools have not been found. It is assumed that they were in the now submerged land between the Australian coast and the offshore islands. The claim that islands were not occupied after the inundation is suspect because limestone flakes were found on Garden Island and not on the mainland.
 Archeology by Ty Buchanan 
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Genomics is Applied Genetics

In the study of humans migration, genomics and genetics really mean the same thing. Genetics is applied by genomics which analyses the structure of genomes. As well as migration much light has been shed on the origin of certain diseases.
The evolution of man humans
Alcoholism has evolved in man because it was useful as a curative agent. It first occurred naturally from stored grain. Beer jugs were found with Stone Age people. Because it came from collected grains, alcohol and bread probably came into human culture at the same time, Alcoholism is a side effect of evolution. Benefits for Man outweighed this issue and anyway it could have started commerce via trade in beverages.

Having a particular gene predisposes groups of humans to sickle cell disease. It was said to be a disease of black gene pools. However, white people can develop the condition if they have the gene. 

There is a predisposition gene for type 2 diabetes, though this malady can be caused by diet and taking medications over a Long period.  Other gene related diseases include: Parkinson's, irritable bowel, prostate cancer, cystic fibrosis, autism (questionable) and so on.

Contrary to the mistaken view put forward by some scientists who should know better, humans never mated with Neanderthals. Each had a different number of chromosome so fertile offspring were not possible (see: Britannica).
 Genetics by Ty Buchanan 
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The Modern Diet is Not Normal for Humans

Some scientists are condemning the "Hunter Gatherer" diet. The academics say that the consumption of carbohydrates that comes mainly from "grass" seeds, namely, wheat is normal for humans. This is absolutely incorrect. People only stopped wandering and took up crop farming ten thousand years ago. We have not had time to genetically adapt. Obesity is definitely caused by a high intake of flour from cereal and abnormal consumption of white sugar, particularly by children.

Look at schoolchildren today. There isn't a skinny one amongst them. The girls have huge thighs and hardly any waist. The mind boggles just thinking about what their body weight will be when they reach their mid thirties. Only the very old today resemble people seen in the old black and white movies. Before the Second World War, people were very skinny. Mind you they did do a lot of manual labor, many working 12 hour days. If you burn a high amount of calories you can eat what you want and not gain weight. However, most today are sedentary.

Remains of early humans show that they did eat a gruel of wild seeds. This evidence only proves that our ancestors ate seeds in the last ten thousand years. There is strong evidence of a meat, berry and tuber diet before this time. There was variation in lifestyle of premodern humans. None of them farmed cereals though. They did keep domesticated animals.

The story of Man has been never ending periods of starvation and misery, with disease being prominent due to ignorance of sanitation. Food has only been plentiful in recent times. It is notable that obesity and malnutrition is spreading through developing countries as they adopt the Western diet. This on its own is a condemnation of the modern diet. We can be sure our ancestors ate a wide range of food, but they did not gorge themselves on white flour.
Science by Ty Buchanan
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Beer Squirrel

"A great beer."
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Funny Animal Photos
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