Category Archives: Uncategorized

The cult of Kukulkan/Quetzalcoatl and the feathered pterosaur reptiles

Looking to the skies, the Mesoamerican peoples all revered the power of the great birds which flew above them, such as the eagle and condor. They also had respect and wonder for the many snakes which inhabited the land. It … Continue reading

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Migration from colder climates to tropical areas

Costa Rica is one of the countries in Central America, first inhabited around 10000 years ago by tribes who had travelled across the world to this spot, and they found it covered with rainforest. Central American rainforests are environmentally sensitive … Continue reading

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Cowed by climate change 

Image of map of Peru In March 2017, Reuters reported ‘Abnormal El Nino in Peru unleashes deadly downpours; more flooding seen’ https://www.reuters.com/article/us-peru-floods-idUSKBN16O2V5 In the article it also says,”While precipitation in Peru has not exceeded the powerful El Nino of 1998, … Continue reading

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Salts: global trade and mining

Salts are mined to meet the need of humans, and these needs are many. Phosphates, for example, are needed by present day intensive farming for fertiliser for quality crops and animal feeds which contain minerals ‘essential’ for the development of … Continue reading

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Salt and economic/human management: China compared to Mexico

The evolution of humans who had a nomadic life prior to the settling of China, as we know it today, can be noted in landmark prehistoric fossil discoveries: ‘Yuanmou Man’ who lived 1.7 million years ago in today’s Yunnan Province, … Continue reading

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Salt, Sulphates and Survival: Living things

Salt (sodium chloride or halite), for details of the chemistry of Salt see https://en.m.wikipedia.org/wiki/Salt_(chemistry), has been the focus of human interest for thousands of years. It has been much sought after and traded since humans first realised its value. But … Continue reading

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Teotihuacan in Mexico compared to Roman Kingdom in Italy: Part Two

Little is certain about the Roman kingdom’s history, as no records and few inscriptions from the time of the kings survive and we find a similar lack of written history for Teotihuacan.  As small groups of hunter gatherers, 12 to … Continue reading

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