High quality literature production and mating success

“We hypothesized that the quantitative and qualitative literary output of famous writers would correlate with their number of mates, children, and grandchildren. We further assumed that writing lyric poetry would be more beneficial for mating success than nonpoetry because the former consists of more verbal handicaps (e.g., rhymes) than the latter and thus requires special […]

CONVERSATION STARTER: Testosterone in self-employed Australian men

If you’re stuck in an awkward social situation, and need some convenient way to switch the conversation to a different topic, mention this study: “Testosterone is associated with self-employment among Australian men,” Francis J. Greene, Liang Han, Sean Martin, Song Zhang, Gary Wittert, Economics & Human Biology, Volume 13, March 2014, Pages 76–84. The authors, at University […]

Moral judgment and the relative lengths of your fingers

You may find it hard to argue against, or even to begin arguing for, the line of reasoning in this study. It shows how a people’s capacity to make moral judgments is related to the relative lengths of two of their fingers: “Testosterone administration modulates moral judgments depending on second-to-fourth digit ratio,” Estrella R. Montoya, […]

Blood, Fingers, and Genes

Researchers are delving into the blood, fingers, and genes of financial traders. Here are some of the studies that may give us insights into the success or failure of the traders, and of the researchers who study the financiers’ digits and chemical composition. Here, too, are a few earlier studies that probe the mysteries of […]