From a column of snippets about the mind ...
Female mammals tend to avoid close male relatives during moments of peak fertility in order to avoid inbreeding. For the journal Psychological Science, Debra Lieberman, Elizabeth Pillsworth and Martie Haselton tracked young women's cellphone calls. They found that these women had fewer and shorter calls with their fathers during peak fertility days, but not with female relatives.
And ...
Self-control consumes glucose in the brain. For an article in the journal Aggressive Behavior, Nathan DeWall, Timothy Deckman, Matthew Gaillot and Brad Bushman found that research subjects who consumed a glucose beverage behaved less aggressively than subjects who drank a placebo beverage. They found an indirect relationship between diabetes (a disorder marked by poor glucose toleration) and low self-control. States with high diabetes rates also had high crime rates. Countries with a different condition that leads to low glucose levels had higher killing rates, both during wartime and during peacetime.
For more, see Social Science Palooza by , December 6, 2010 at The New York Times.
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