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Continue to ChatIf homo erectus lost his penis bone, does that mean men are naturally monogamous? - Science & Health - Haaretz.com https://wp.jochen.hayek.name/blog-en/2017/01/03/if-homo-erectus-lost-his-penis-bone-does-that-mean-men-are-naturally-monogamous-science-health-haaretz-com/