Can men detect if a woman is a cheater? I talk to Samantha Leivers of the University of Western Australia about her new research on appearance and faithfulness. More about Samantha on LinkedIn and ResearchGate.

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Maybe if Richard Gere had been able to detect Diane Lane's cheating ways in her face, he would have avoided a lot of grief...

The articles covered in the show:

Leivers, S., Simmons, L. W., & Rhodes, G. (2015). Men’s sexual faithfulness judgments may contain a kernel of truth. PLoS One, 10(8), e0134007. Read paper

Red or dead: In this episode we investigate the allure of violent video games, and how they relate to sex. Also, does the colour red increase a man's attractiveness?

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Are Men More Attractive in Red?
Why Do Women Play Violent Video Games?

Nice codpiece! Does dressing in red make a man sexier?

The articles covered in the show:

Elliot, A. J., Kayser, M., Greitemeyer, T., Lichtenfeld, S., Gramzow, R. H., Maier, M. A., et al. (2010). Red, rank, and romance in women viewing men. Journal of Experimental Psychology: General, 139(3), 399-417. Read summary

Hesslinger, V. M., Goldbach, L., & Carbon, C.-C. (in press). Men in red: A reexamination of the red-attractiveness effect. Psychonomic Bulletin and Review. Read summary

Kasumovic, M. M., Blake, K., Dixson, B. J., & Denson, T. F. (2015). Why do people play violent video games? Demographic, status-related, and mating-related correlates in men and women. Personality and Individual Differences, 86, 204-211. Read summary

Prokop, P., Pazda, A. D., & Elliot, A. J. (2015). Influence of conception risk and sociosexuality on female attraction to male red. Personality and Individual Differences, 87, 166-170. Read summary

Is more more, or is more less? We look at two very different experiments about quantity, quality, and sex. How does the type and amount of porn a man views influence how much semen he produces? And do women from around the world prefer a taller or a shorter man?

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Do Women Always Prefer Taller Men?
President Coolidge and Semen Quality

Shaq is over 2ft taller than his on-off girlfriend, reality TV star "Hoopz". This difference in height is larger than in most couples, but Western women do seem to prefer taller men. Do women from non-Western societies share their predilection?

The articles covered in the show:

Joseph, P. N., Sharma, R. K., Agarwal, A., & Sirot, L. K. (in press). Men ejaculate larger volumes of semen, more motile sperm, and more quickly when exposed to images of novel women. Evolutionary Psychological Science. Read summary

Sorokowski, P., Sorokowska, A., Butovskaya, M., Stulp, G., Huanca, T., & Fink, B. (2015). Body height preferences and actual dimorphism in stature between partners in two non-Western societies (Hadza and Tsimane’). Evolutionary Psychology, 13(2), 455-469. Read summary

If you’re single (and even if you’re not) are you on the look-out for someone to marry, a one night stand, or something in between? In this episode we find out how they type of relationship we seek can influence our mating behaviour and psychology.

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Do Women Remember How a Man Looks or What he Says?
Good Dancers are Seen as Promiscuous

Men rely more on dancing ability as a signal of women's attractiveness when looking for a short-term, rather than a long-term, relationship partner, according to new research.

The articles covered in the show:

Horgan, T. G., Broadbent, J., McKibbin, W. F., & Duehring, A. J. (in press). Show versus tell? The effects of mating context on women’s memory for a man’s physical features and verbal statements. Journal of Social and Personal Relationships. Read summary

Röder, S., Weege, B., Carbon, C.-C., Shackelford, T. K., & Fink, B. (2015). Men's perception of women's dance movements depends on mating context, but not men's sociosexual orientation. Personality and Individual Differences, 86, 172-175. Read summary

With gay marriage now legal in the USA (not to mention, Sweden, New Zealand, Uruguay, and the Pitcairn Islands), let’s look at how same-sex attraction develops during adolescence. Is same-sex attraction stable during teenage years, and what are lesbians’ first memories of same-sex attraction?

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How Same-Sex Attraction Changes During Adolescence

Two new research studies show how LGBT identities form during adolescence.

The articles covered in the show:

Hu, Y., Xu, Y., & Tornello, S. L. (in press). Stability of self-reported same-sex and both-sex attraction from adolescence to young adulthood. Archives of Sexual Behavior. Read summary

McClelland, S. I., Rubin, J. D., & Bauermeister, J. A. (in press). “I liked girls and I thought they were pretty”: Initial memories of same-sex attraction in young lesbian and bisexual women. Archives of Sexual Behavior. Read summary

Many of us wish we were more confident, but is self-assuredness or arrogance attractive? Is it possible to be overconfident when it comes to love? And is there a male propensity to overestimate how attractive we are to women? We find out in this episode.

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Are We Attracted to Arrogance?
Do Men Overestimate Women’s Sexual Interest?

Don Draper is the epitome of the overconfident man. But do women find overconfident (or arrogant) men attractive?

The articles covered in the show:

Murphy, S. C., von Hippel, W., Dubbs, S. L., Angilletta Jr., M. J., Wilson, R. S., Trivers, R., et al. (in press). The role of overconfidence in romantic desirability and competition. Personality and Social Psychology Bulletin. Read summary

Perilloux, C., Muñoz-Reyes, J. A., Turiegano, E., Kurzban, R., & Pita, M. (in press). Do (non-American) men overestimate women’s sexual intentions? Evolutionary Psychological Science. Read summary

Swollen bums and flushed faces: we know that chimpanzees and other primates advertise their fertility with conspicuous physical transformations, but what about humans? In this episode we look at skin colour and the menstrual cycle.

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Do Women’s Faces Change Color Over the Menstrual Cycle?

I and my collaborators photographed women multiple times over their cycle and analysed patches of cheek skin for colour changes. Image modified from a photo by Alix Klingenberg.

The articles covered in the show:

Burriss, R. P., Troscianko, J., Lovell, P. G., Fulford, A. J. C., Stevens, M., Quigley, R., Payne, J., Saxton, T. K., & Rowland, H. M. (2015). Changes in women’s facial skin color over the ovulatory cycle are not detectable by the human visual system. PLoS One. Read paper

We know that pregnant women get cravings for unusual foods, but does pregnancy also affect what women desire in a man? We also look at a new experiment that shows once and for all whether men prefer larger or smaller breasts. You'll be surprised by the results!

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Are Bigger Breasts Best?
Pregnancy and Desire

Does a woman change her taste in men when she is pregnant? Joanna Malinowska/freestocks.org

The articles covered in the show:

Dixson, B. J., Duncan, M., & Dixson, A. F. (in press). The role of breast size and areolar pigmentation in perceptions of women’s sexual attractiveness, reproductive health, sexual maturity, maternal nurturing abilities, and age. Archives of Sexual Behavior. Read summary

Limoncin, E., Ciocca, G., Gravina, G. L., Carosa, E., Mollaioli, D., Cellerino, A., et al. (in press). Pregnant women's preferences for men's faces differ significantly from nonpregnant women. The Journal of Sexual Medicine. Read summary

Decisions, decisions. We find out how our rational minds go all screwy when we're faced with attractive rivals or sexual competitors. Three new experiments show how sexual rivalry primes men to be cruel, self-centred, and prone to risk.

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Handsome Men Make Other Men Want to Gamble
Competition Piques Men’s Interest in Sex
How Does Competition Affect Men’s Morality?

Arm wrestling is a bit daft, but it doesn't do any harm, right? Perhaps not. New research shows that competition can influence men's psychology in unexpected ways.

The articles covered in the show:

Chan, E. Y. (in press). Physically-attractive males increase men's financial risk-taking. Evolution and Human Behavior. Read summary

Gorelik, G., & Bjorklund, D. F. (in press). The effect of competition on men’s self-reported sexual interest. Evolutionary Psychological Science. Read summary

Trémolière, B., Kaminski, G., & Bonnefon, J.-F. (2015). Intrasexual competition shapes men's anti-utilitarian moral decisions. Evolutionary Psychological Science, 1(1), 18-22. Read summary

We strap on our beer goggles and find out how alcohol influences attractiveness. Also, you have a penis! Well, half of you do, and we discover what happens to men’s sexual thoughts when they’re reminded of what they’re packing in their tighty whities.

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Paying Attention to your Genitals Changes the Kind of Relationships you Seek
Reverse Beer Goggles

This cool dude is probably experiencing high 'genital salience'. Ladies looking for commitment should steer clear.

The articles covered in the show:

Fetterman, A. K., Kruger, N. N., & Robinson, M. D. (2015). Sex-linked mating strategies diverge with a manipulation of genital salience. Motivation and Emotion, 39(1), 99-103. Read summary

Van Den Abbeele, J., Penton-Voak, I. S. A., A. S., Stephen, I. D., & Munafò, M. R. (in press). Increased facial attractiveness following moderate, but not high, alcohol consumption. Alcohol and Alcoholism. Read summary

Is beauty contagious? How the average attractiveness of a group of people is influenced by its members. Also, how the ratio of men to women in our social group meddles with our mating psychology.

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Why a Skewed Chinese Sex Ratio Doesn't Spell Disaster
Attractive Friends Make You Look More Attractive

One man and four women: new research shows how our 'mating strategies' (how we seek partners and what we find attractive) are influenced by the relative numbers of men and women we encounter.

The articles covered in the show:

Schacht, R., & Borgerhoff Mulder, M. (2015). Sex ratio effects on reproductive strategies in humans. Royal Society Open Science, 2, 140402. Read summary

van Osch, Y., Blanken, I., Meijs, M. H. J., & van Wolferen, J. (in press). A group’s physical attractiveness is greater than the average attractiveness of its members: The group attractiveness effect. Personality and Social Psychology Bulletin. Read summary

Meet the parents! Two new experiments show how choosing a partner can send shockwaves across the generations. We’ll find out how parents meddle in their children’s love lives, and how sexy sons lead to handsome fathers.

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Sexy Sons Make Fathers Seem Sexier
How Parents Meddle in Their Kids’ Love Lives

Robert De Niro kept a close eye on Ben Stiller in the Focker movie franchise. But how successful are meddling parents at interfering in their children's love lives?

The articles covered in the show:

Apostelou, M., Kasapi, K., & Arakliti, A. (2015). Will they do as we wish? An investigation of the effectiveness of parental manipulation of mating behavior. Evolutionary Psychological Science, 1(1), 28-36. Read summary

Prokop, P. (in press). The putative son’s attractiveness alters the perceived attractiveness of the putative father. Archives of Sexual Behavior. Read summary