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How viruses evolve

What are viruses? Viruses are the smallest of all the microbes. They are said to be so small that 500 million rhinoviruses (which cause the common cold) could fit on to the head of a pin. These are special because these are only alive and able...

What are viruses? Viruses are...

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How Wind Power Works

Air is a fluid just like any other except that its particles are in gas form instead of liquid form and when air does move quickly in the form of wind those particles also are moving quickly, motion does mean kinetic energy that can be...

Air is a fluid just like any o...

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How Batteries Work

A battery is a device that does store chemical energy and then it does convert it to electrical energy, the chemical reactions that do happen inside a battery do involve the flow of electrons from one material to another one and this do happen through...

A battery is a device that doe...

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How our eyes make sense of light

Eye: The sight organ. There are a variety of components to the eye. Such elements include the cornea, iris, eye, lens, retina, macula, optic nerve, choroid, and vitreous, but are not limited to. The cornea is the transparent front window of the eye, transmitting light...

Eye: The sight organ. There ar...

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Obsessive Compulsive Disorder

What is the obsessive-compulsive disorder? Obsessive - compulsive disorder (OCD) is a type of anxiety disorder characterized by irrational thoughts (and obsessive thoughts) that lead to compulsive behaviors. People with Obsessive Compulsive Disorder are sometimes aware of the fact that their obsessive behaviors are illogical, and they...

What is the obsessive-compulsi...

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What is Archaeology

Archaeology is the study of human activity through the recovery and analysis of material culture and the archaeological record does consist of artifact, architecture and cultural landscape, archaeology ca be considered as a social science at the same time it can be considered as a...

Archaeology is the study of hu...

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Extrasolar planets

Extrasolar planet, also called exoplanet, any planetary body that is outside the solar system and that usually orbits a star other than the Sun. Extrasolar planets were first discovered in 1992. More than 4,000 are known, and about 6,000 await further confirmation. The first possible...

Extrasolar planet, also called...

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Greek culture

Thousands of years ago the culture of Greece has evolved. Beginning in Monoan and later in Mycenaean Greece through the influence of Roman Empire and its successor the Byzantine Empire. Other cultures and states such as Frankish states, the Ottoman Empire, the Venetian Republic and...

Thousands of years ago the cul...

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How to Avoid Psychological Effects

Mental health is our emotional ,psychological and social well being, it affects how we think, feel and act as we cope with life, it does determine how we handle stress , make choices and how we do relate to others.Mental health is very important at...

Mental health is our emotional...

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