The Latest Attempt to Disprove the Sex Binary Falls Flat

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About the Author
Dr. Colin Wright is an evolutionary biology PhD, Manhattan Institute Fellow, and CEO/Editor-in-Chief of Reality’s Last Stand. His writing has appeared in The Wall Street Journal, The Times, the New York Post, Newsweek, City Journal, Quillette, The Washington Examiner, and other major news outlets and scientific journals.
Over the past decade, a wave of pseudoscientific papers has tried to dismantle one of biology’s most fundamental truths: that there are only two sexes—male and female. These papers often claim that viewing sex as binary isn’t just outdated, but oppressive, and that it’s more accurate to say sex exists on a broad and continuous “spectrum.” To the public, this barrage of activist-driven research has created the illusion that biology has undergone a paradigm shift where biologists no longer …