A new cross-species study shows same-sex sexual behaviour has social benefits for groups, which explains its high frequency in humans and other mammals.
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Each year, more and more people are looking to dating apps to find a partner. And a trove of data from these users is finally revealing what men and women really want.
If both people like and trust each other enough to kiss, the good shared feelings they get makes them more likely to stay together.
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Scientia Professor of Evolution, UNSW
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Jenny Graves is a Friend of The Conversation.
Distinguished Professor of Genetics and Vice Chancellor's Fellow, La Trobe University
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Professor, Business School, Queensland University of Technology
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Senior Research Fellow - Queensland University of Technology. Chief-Investigator - ARC ITTC Centre for Behavioural Insights for Technology Adoption (BITA), Queensland University of Technology
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Postdoctoral Research Fellow, Queensland University of Technology