Fertility and fairness: We look at how the menstrual cycle influences women's sharing behaviour, and find out why your hormones (and the hormones of other women) have an impact on what you feel is fair.      Download the MP3  Rate me!
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Fertility and Fairness  New research suggests that, when women are most fertile, they demand more from their exchanges with other women. Dwayne Bent/Flickr The articles covered in the show:  Eisenbruch, A. B., & Roney, J. R. (2016). Conception risk and the ultimatum game: When fertility is high, women demand more. Personality and Individual Differences, 98, 272-274. Read summary Necka, E. A., Puts, D. A., Dimitroff, S. J., & Norman, G. J. (in press). Other women’s fertility moderates female resource distribution across the menstrual cycle. Evolution and Human Behavior. Read summary

Fertility and fairness. 03 May 2016

Dr. Rob Burriss reveals the science behind attraction, sexuality, and beauty.

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     Why are we attracted to attractive people? Perhaps because evolution has shaped us to seek healthy and fertile partners. But is beauty really linked to biological fitness? We find out. This episode also features an interview with Kai Hiraishi of Keio University, who presented his research on men's over-perception of women's sexual intent at this summer's HBES conference. Download the MP3  Subscribe!
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Does an Hourglass Figure Really Signal Fertility?
Does Beauty Signal Health?  Are attractive people healthier and more fertile? Previous assumptions are being overturned. Freestocks The articles covered in the show:  Cai, Z., Hahn, A. C., Zhang, W., Holzleitner, I. J., Lee, A. J., DeBruine, L. M., et al. (in press). No evidence that facial attractiveness, femininity, averageness, or coloration are cues to susceptibility to infectious illnesses in a university sample of young adult women. Evolution and Human Behavior. Read summary Hiraishi, K., Kawahata, Y., Nomura, K., & Shigematsu, H. (2018). Women's perception of men's overperception of women's sexual-intent and what she says she really wants. Poster presented at the Human Behavior and Evolution Society Annual Conference. Lassek, W. B., & Gaulin, S. J. C. (in press). Do the low WHRs and SMIs judged most attractive indicate higher fertility? Evolutionary Psychology. Read summary

Fertility and health: is beauty a cue? 27 Nov 2018

    This month, is pursuing sex with an ex likely to help or hinder your recovery from a breakup? And we find out why a team of psychologists from Michigan brought volunteers to their lab to look at a rabbit and a snake. This episode also features an interview with Vicky Leigh of Glasgow University, who presented her research on sexual imprinting at the recent HBES conference. Download the MP3  Subscribe!
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Sex with an Ex: Good or Bad for Breakup Recovery?
The Snake and the Rabbit: Animal Influences on Human Mate Choice 
 Would looking at this rabbit (or a snake) affect what you find attractive in a partner? freestocks The articles covered in the show:  Leigh, V., Jones, B., & DeBruine, L. (2018). Bisexual women show positive sexual imprinting on the partner-sex parent for eye colour. Poster presented at the Human Behavior and Evolution Society Annual Conference. Reeve, S. D., Mogilski, J. K., & Welling, L. L. M. (in press). Environmental safety threat alters mate choice processes in humans: further evidence for the Environmental Security Hypothesis. Evolutionary Psychological Science. Read summary Spielmann, S. S., Joel, S., & Impett, E. A. (in press). Pursuing sex with an ex: does it hinder breakup recovery? Archives of Sexual Behavior. Read summary

Sex with an ex. 30 Oct 2018

     In this month's episode we look at sexuality: why do people who identify as straight sometimes hookup with partners of the same gender? We'll also find out if straight men prefer women who are attracted to other women. This episode also features an interview with Sydni Huxman of Kansas State University, who presented her research on backup partners at the recent HBES conference. Download the MP3  Subscribe! Make sure you never miss an episode by subscribing in Apple Podcasts, Google Podcasts, or Stitcher.  Read the transcript!
Straight Man Seeks… Who?  Can men and women identify as straight but still hookup with same-gender partners? Joanna Malinowska/Freestocks The articles covered in the show:  Apostelou, M., Wang, Y., & O, J. (2018). Do men prefer women who are attracted to women? A cross-cultural evolutionary investigation. Personality and Individual Differences, 135, 31-39. Read summary Huxman, S. A. J., Brandner, J. L., & Brase, G. L. (2018). Friends with potential benefits: Exploring the relationships between individual differences and backup mates. Poster presented at the Human Behavior and Evolution Society Annual Conference. Kuperberg, A., & Walker, A. (2018). Heterosexual college students who hookup with same-sex partners. Archives of Sexual Behavior, 47(5), 1387-1403. Read summary

Straight men who hookup with other men. 28 Aug 2018

     This month I tell some dirty and clean jokes: whether or not you laugh may say something about the kind of relationship that suits you best. We'll also find out why some of us are uneasy with relationships between people with a big age difference. And, in the first of my interviews from the recent Human Behavior and Evolution Society conference in Amsterdam, I speak with Dr. Anthony Lee of Glasgow University about his research on internet dating.  Download the MP3  Support me!
Support the podcast on Patreon for as little as $1 and get access to the patron-only feed, including bonus podcasts and blogs not available elsewhere. Subscribe!
Make sure you never miss an episode by subscribing in Apple Podcasts, Google Podcasts, or Stitcher.  Read the transcript!
Why do People Condemn Age-Discrepant Relationships?
Is a Dirty Joke a Good Chat Up Line?  His joke may have been filthier than a sack of compost, but it sure was funny. Brian Wolfe/Flickr The articles covered in the show:  Lee, A. (2018). Investigating mate preferences through a data-driven analysis of online personal descriptions. Paper presented at the Human Behavior and Evolution Society Annual Conference. Medlin, M. M., Brown, M., & Sacco, D. F. (2018). That's what she said! Perceived mate value of clean and dirty humor displays. Personality and Individual Differences, 135, 192-200. Read summary Sela, Y., Pham, M. N., Mogilski, J. K., Lopes, G. S., Shackelford, T. K., & Zeigler-Hill, V. (2018). Why do people disparage May–December romances? Condemnation of age-discrepant romantic relationships as strategic moralization. Personality and Individual Differences, 130, 6-10. Read summary

Dirty jokes and age differences. 31 Jul 2018

     In this month's episode we look at dating apps, and how the way we interact with them is influenced by our sociosexuality (aka our willingness to engage in casual sex). Download the MP3  Support me!
Support the podcast on Patreon for as little as $1 and get access to the patron-only feed, including bonus podcasts and blogs not available elsewhere. Rate me!
Rate, review, or listen in iTunes or in Stitcher.  Read the transcript!
Dating Apps and Mating Strategies  Does our 'sociosexuality' affect how we behave on dating apps, like Tinder? Freestocks. The articles covered in the show:  Botnen, E. O., Bendixen, M., Grøntvedt, T. V., & Kennair, L. E. O. (2018). Individual differences in sociosexuality predict picture-based mobile dating app use. Personality and Individual Differences, 131, 67-73. Read summary Hallam, L., De Backer, C. J. S., Fisher, M. L., & Walrave, M. (in press). Are sex differences in mating strategies overrated? Sociosexual orientation as a dominant predictor in online dating strategies. Evolutionary Psychological Science. Read summary

Fertility and fairness. 03 May 2016

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