The study involved Western participants – so the next step will be to look at other populations. Stanley Dai/Unsplash, CC BYContentsFurther explorationSimulating evolution Same-sex sexual behaviour may seem to present a Darwinian paradox. It provides no obvious reproductive or survival benefit, and yet same-sex sexual behaviour is fairly common — around 2-10% of individuals in … Continue reading Why has same-sex sexual behaviour persisted during evolution?