Why Bisexuality Makes Us Human

This essay is a bold look at a current hot issue: human bisexuality. This essay explores the complex landscape of sexual orientation and gives a biological meaning to human homosexuality, concentrating on the scale proposed by Kinsey to redefine the whole human species as bisexual. The author, a PhD [...]
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This essay is a bold look at a current hot issue: human bisexuality. This essay explores the complex landscape of sexual orientation and gives a biological meaning to human homosexuality, concentrating on the scale proposed by Kinsey to redefine the whole human species as bisexual. The author, a PhD in biology from the University of Barcelona, compares human sexuality with that of the great apes, species that share with us over 95 percent of the genome and that are the primates evolutionarily closer to humans. The great ape males of the species that are exclusively heterosexual exhibit an extremely violent social behavior, and this violent pattern is damped on males of bisexual species: bonobos and humans. In anthropomorphous apes, sexual and social behavior would be closely related. This work concludes that bisexuality has changed human primates so much that it might be the human factor so long sought.