Men produce more semen when they view more porn stars. 25 Aug 2015

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? Download the MP3 Participate in my research!

The psychology of fail videos (women only)

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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