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Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..

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Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..

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This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

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Biological Cell Introduction

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In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..

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Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..