Same-sex sexual behaviour in primates is incredibly common – but why?
Despite seemingly having no evolutionary advantage, scientists have now noticed something counterintuitive.
This behaviour happens much more often in high-stress environments, where food is scarce, suggesting it may aid with social cohesion.
It may even improve the success of straight sex – increasing the number of offspring in a group.
Hear the full story on The world, the universe and us, a news podcast for the insatiably curious, hosted by Rowan Hooper and Penny Sarchet.
Learn more: https://podfollow.com/the-world-the-universe-and-us
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