Posts by John Hayman

About John Hayman

Associate Professor Dr John Hayman is a clinical pathologist from the Department of Clinical Pathology, University of Melbourne. View all posts by John Hayman →

04 Oct

Science & Health

What Darwin’s family tree reveals about his chronic illness

04/10/2026
By John Hayman
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Charles Darwin, the famous naturalist, suffered debilitating, relapsing illness for most of his adult life. Early symptoms of this illn...

21 Jul

Science & Health

Timing of embryo split may explain sexual orientation in twins

21/07/2024
By John Hayman
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Same-gender sexual attraction is a feature of human sexuality. Estimates of same-gender proclivity vary from the original Kinsey report...