Category: Economy

Graywater

Waste water produced in residences can be divided into two types. Black water, which has fecal secretions from toilets or nutrients from the kitchen, and

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Homeopathy is not science

Homeopathy is an approach to alternative medicine, first defined by Samuel Hahnemann in the 18th century. Homeopathic therapists believe that a sick person can be

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Hunger

According to UN estimates, the number of people in the world suffering from malnutrition is approximately 880 million, slightly less than 1/7 of the world’s

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A Sun on earth

On November 16, 2018 a scientific milestone was recorded – scientists conducting experiments in Chinese laboratories produced an “artificial sun”. This “sun” reached a temperature

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