In a few minutes, the crew walks over to his car and lifts the hood and he drives out to meet us. Turns out he was in the car talking because he’d gotten boxed in too tightly to get out of the car and so left the key on to listen to the radio – which also left his auto...
A Correction to this article was published on 27 June 2019This article has been updatedAbstract Background Particles and fibres affect human health as a function of their properties such as chemical composition, size and shape but also depending on complex interactions in an organism that occur at...
For example, in South Africa, mining for a number of commodities including gold, asbestos and coal have existed since 1886 when gold was first discovered and was fully commercialized in 1911. This has necessitated instituting the first Miners Phthisis Act for pre-employment and health examinations...
3H-thymidine labeling index (TLI) was one of the first methods utilized to evaluate the proliferative activity of BC. The number of tumor cells undergoing DNA synthesis can be measured using in vivo or in vitro assays for 3H-thymidine uptake [5], which can be visualized by autoradiography. ...
“We set out to explore the Moon and instead discovered the Earth. The sense of isolation- and closeness of our humanity. I wish more people would think on it. (Astronaut Frank Borman.) “We felt we were going there to show you the Moon. No! We went to the Moon; we learned a lot...
and hope to discover history. Its seems a pathetic naivety to hate detectorists. The greatest finds are made by non archeoligists. Are they so childish and infantile that they cant have a good relationship with detectorists and history can be discovered and shared by all. They need to grow ...
PoetEmily Dickinson(1830-1886) was born in this house and lived most of her life there, rarely leaving its beautiful grounds. After Dickinson's death her sister Lavinia discovered hundreds of poems hidden in the house. Thanks to Lavinia, these poems were published, and Dickinson is now regarde...
The leader of the party was examining the soil near the entrance to the cave when the machine showed that there was gold under the ground. Very excited, the party dug a hole two feet deep. They finally found a small gold coin which was almost worthless. The party then searched the ...
Arcos Mágicos (Magic Arches of the Sun and the Moon), built in 1595 by the Jesuits. This building ofnarrow arches was the purifier of poisonous gases from the underground mine system, and also served to “air” the gold and silver at each of its doors. These arched ovenswere also ...
In a few minutes, the crew walks over to his car and lifts the hood and he drives out to meet us. Turns out he was in the car talking because he’d gotten boxed in too tightly to get out of the car and so left the key on to listen to the radio – which also left his auto...