Category : Environmental : Health & Medical

Does World End in 2012?

Environmental
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It seems that everyone is preoccupied today with this question: Does world end in 2012? The answer is not simple. This fuss around 2012 phenomenon originates from the Maya calendar which abruptly ends on December 21, 2012. While interpreters of the Maya culture state that calendar's end indicat

The Water Filtration Process

Environmental
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Water often goes through a purification process to ensure that it is safe for a designated purpose. During the purification process unwanted things in the water are removed such as biological contaminants, suspended solids, gases and other pollutants. Water is typically purified for human consumptio

Nitrogen - Friend or Foe?

Environmental
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Concerns are being raised by EPA and the wastewater industry regulators about nutrients in wastewater being discharged into the ground and water. The concern is about nitrates, that convert to usable nitrogen. These and other nutrients promote harmful growth in water and set off chain reactions that

Hawk Moths: Are They Hawks?

Environmental
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Sphingidae is a family under the order Lepidoptera whose members are commonly known as hawk moths, sphinx moths and hornworms. There are about 1,200 species are known at present. Best reported from the tropical regions but are present in all areas. They are moderate to large in size and can be disti