American Society of Naturalists

A membership society whose goal is to advance and to diffuse knowledge of organic evolution and other broad biological principles so as to enhance the conceptual unification of the biological sciences.


ASN Election

ASN Election

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ASN members--Look for an email for the ASN elections.

Letter to Secretary Azar on the Scientific Understanding of Sex and Gender

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As scientists, the Joint Societies write to express our concerns about the attempt by the Department of Health and Human Services (HHS) to claim that there is a biological basis to defining gender as a strictly binary trait (male/female) determined by genitalia at birth.


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