In these “enlightened” times, people often try to use science to justify their social, political or ideological positions. While the influence of scientific research on our world view is commonly recognized, the converse dynamic gets far less attention. Cultural factors shape the sort of questions we ask and how we choose to interpret the answers; for example, despite the claim that the idea of evolution has radically altered our view of ourselves, it also often serves to reinforce existing social and cultural norms. Here are five commonly accepted biological “facts” which are untrue but are used to justify our conception of ourselves and our place in the world.

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