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Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

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The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..

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For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..

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The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

Neurology of Illusions
Neurology of Illusions

Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..

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This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..