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Humans are a tribal species. We form alliances, align ourselves along ethnic, familial, religious, and cultural lines. Still, for the vast majority of people, \u201ctribal\u201d carries a negative connotation. Bitter partisan politics, ethnic genocides, religious wars, and the long history of bigotry make that connotation almost unavoidable. But I don\u2019t think tribal in its true essence is all bad. The basic instinct to form and belong to groups is a simple fact of human physiology. It\u2019s how we work, so we\u2019d better make it work for us.

(This Mark's Daily Apple article was written by Mark Sisson, and is narrated by Tina Leaman)